[flutter_tools] Update external link in Android manifest template (#144302)

## Description

This PR simplifies one external link in a commented section of the Android manifest template.

## Related Issue

Fixes https://github.com/flutter/flutter/issues/144249

## Tests

Documentation only PR.

dev/integration_tests/abstract_method_smoke_test/android/app/src/main/AndroidManifest.xml

@@ -32,7 +32,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/android_embedding_v2_smoke_test/android/app/src/main/AndroidManifest.xml

@@ -32,7 +32,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/android_semantics_testing/android/app/src/main/AndroidManifest.xml

@@ -36,7 +36,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/android_verified_input/android/app/src/main/AndroidManifest.xml

@@ -36,7 +36,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/android_views/android/app/src/main/AndroidManifest.xml

@@ -33,7 +33,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/channels/android/app/src/main/AndroidManifest.xml

@@ -35,7 +35,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/deferred_components_test/android/app/src/main/AndroidManifest.xml

@@ -43,7 +43,7 @@ found in the LICENSE file. -->
             android:value="2:component1" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/external_textures/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/flavors/android/app/src/main/AndroidManifest.xml

@@ -28,7 +28,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/flutter_gallery/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/gradle_deprecated_settings/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/hybrid_android_views/android/app/src/main/AndroidManifest.xml

@@ -31,7 +31,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/non_nullable/android/app/src/main/AndroidManifest.xml

@@ -41,7 +41,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/platform_interaction/android/app/src/main/AndroidManifest.xml

@@ -36,7 +36,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/release_smoke_test/android/app/src/main/AndroidManifest.xml

@@ -41,7 +41,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/spell_check/android/app/src/main/AndroidManifest.xml

@@ -35,7 +35,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

dev/integration_tests/ui/android/app/src/main/AndroidManifest.xml

@@ -35,7 +35,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/api/android/app/src/main/AndroidManifest.xml

@@ -34,7 +34,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/flutter_view/android/app/src/main/AndroidManifest.xml

@@ -27,7 +27,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/hello_world/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/image_list/android/app/src/main/AndroidManifest.xml

@@ -28,7 +28,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/layers/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/platform_channel/android/app/src/main/AndroidManifest.xml

@@ -31,7 +31,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

examples/platform_view/android/app/src/main/AndroidManifest.xml

@@ -37,7 +37,7 @@ found in the LICENSE file. -->
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

packages/flutter/lib/src/services/process_text.dart

@@ -68,7 +68,7 @@ abstract class ProcessTextService {
 ///       ...
 ///     </application>
 ///     <!-- Required to query activities that can process text, see:
-///           https://developer.android.com/training/package-visibility?hl=en and
+///          https://developer.android.com/training/package-visibility and
 ///          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 ///
 ///          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

packages/flutter_tools/templates/app_shared/android.tmpl/app/src/main/AndroidManifest.xml.tmpl

@@ -32,7 +32,7 @@
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

packages/flutter_tools/templates/module/android/host_app_common/app.tmpl/src/main/AndroidManifest.xml.tmpl

@@ -38,7 +38,7 @@
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->