Set windowSoftInputMode=adjustResize in example apps that were missing it (#6312)

This is needed to update an app's layout when a soft keyboard is shown

examples/flutter_gallery/android/AndroidManifest.xml

@@ -9,7 +9,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
 
     <application android:icon="@mipmap/ic_launcher" android:label="Gallery" android:name="org.domokit.sky.shell.SkyApplication">
-        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTask" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Light.NoTitleBar">
+        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTask" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

examples/hello_world/android/AndroidManifest.xml

@@ -9,7 +9,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
 
     <application android:label="Flutter Hello" android:name="org.domokit.sky.shell.SkyApplication">
-        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTop" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Black.NoTitleBar">
+        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTop" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Black.NoTitleBar" android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

examples/layers/android/AndroidManifest.xml

@@ -9,7 +9,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
 
     <application android:label="Flutter Layers" android:name="org.domokit.sky.shell.SkyApplication">
-        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTop" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Black.NoTitleBar">
+        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTop" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Black.NoTitleBar" android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

examples/stocks/android/AndroidManifest.xml

@@ -14,7 +14,8 @@
                   android:launchMode="singleTop"
                   android:theme="@android:style/Theme.Black.NoTitleBar"
                   android:configChanges="orientation|keyboardHidden|keyboard|screenSize"
-                  android:hardwareAccelerated="true">
+                  android:hardwareAccelerated="true"
+                  android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>