Updated old button references in dev/integration_tests/android_views (#63214)

* Updated old button references in dev/integration_tests/android_views

* Empty commit to force all tests to rerun

dev/integration_tests/android_views/lib/motion_events_page.dart

@@ -80,13 +80,13 @@ class MotionEventsBodyState extends State<MotionEventsBody> {
         Row(
           children: <Widget>[
             Expanded(
-              child: RaisedButton(
+              child: ElevatedButton(
                 child: const Text('RECORD'),
                 onPressed: listenToFlutterViewEvents,
               ),
             ),
             Expanded(
-              child: RaisedButton(
+              child: ElevatedButton(
                 child: const Text('CLEAR'),
                 onPressed: () {
                   setState(() {
@@ -97,7 +97,7 @@ class MotionEventsBodyState extends State<MotionEventsBody> {
               ),
             ),
             Expanded(
-              child: RaisedButton(
+              child: ElevatedButton(
                 child: const Text('SAVE'),
                 onPressed: () {
                   const StandardMessageCodec codec = StandardMessageCodec();
@@ -107,14 +107,14 @@ class MotionEventsBodyState extends State<MotionEventsBody> {
               ),
             ),
             Expanded(
-              child: RaisedButton(
+              child: ElevatedButton(
                 key: const ValueKey<String>('play'),
                 child: const Text('PLAY FILE'),
                 onPressed: () { playEventsFile(); },
               ),
             ),
             Expanded(
-              child: RaisedButton(
+              child: ElevatedButton(
                 key: const ValueKey<String>('back'),
                 child: const Text('BACK'),
                 onPressed: () { Navigator.pop(context); },

dev/integration_tests/android_views/lib/wm_integrations.dart

@@ -55,19 +55,19 @@ class WindowManagerBodyState extends State<WindowManagerBody> {
           ),
           if (lastTestStatus != _LastTestStatus.pending) _statusWidget(),
           if (viewChannel != null) ... <Widget>[
-            RaisedButton(
+            ElevatedButton(
               key: const ValueKey<String>('ShowAlertDialog'),
               child: const Text('SHOW ALERT DIALOG'),
               onPressed: onShowAlertDialogPressed,
             ),
             Row(
               children: <Widget>[
-                RaisedButton(
+                ElevatedButton(
                   key: const ValueKey<String>('AddWindow'),
                   child: const Text('ADD WINDOW'),
                   onPressed: onAddWindowPressed,
                 ),
-                RaisedButton(
+                ElevatedButton(
                   key: const ValueKey<String>('TapWindow'),
                   child: const Text('TAP WINDOW'),
                   onPressed: onTapWindowPressed,