Update for Flutter 3.10 beta (#1746)

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [ ] All existing and new tests are passing.

---------

Co-authored-by: David Iglesias <ditman@gmail.com>
Co-authored-by: Mark Thompson <2554588+MarkTechson@users.noreply.github.com>
Co-authored-by: John Ryan <ryjohn@google.com>

material_3_demo/test/elevation_screen_test.dart

@@ -15,7 +15,7 @@ void main() {
       'Surface Tones screen shows correctly when the corresponding icon is '
       'selected on NavigationBar', (tester) async {
     widgetSetup(tester, 449);
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
+    addTearDown(tester.view.resetPhysicalSize);
     await tester.pumpWidget(const App());
 
     expect(find.text('Surface Tint Color Only'), findsNothing);
@@ -40,7 +40,7 @@ void main() {
       'selected on NavigationRail', (tester) async {
     widgetSetup(
         tester, 1200); // NavigationRail shows only when width is > 1000.
-    addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
+    addTearDown(tester.view.resetPhysicalSize);
     await tester.pumpWidget(const App());
     expect(find.text('Surface Tint Color Only'), findsNothing);
     Finder tintIconOnRail = find.descendant(
@@ -57,8 +57,8 @@ void main() {
   });
 
   testWidgets('Surface Tones screen shows correct content', (tester) async {
-    await tester.pumpWidget(MaterialApp(
-      home: Scaffold(body: Row(children: const [ElevationScreen()])),
+    await tester.pumpWidget(const MaterialApp(
+      home: Scaffold(body: Row(children: [ElevationScreen()])),
     ));
     expect(find.text('Surface Tint Color Only'), findsOneWidget);
     expect(find.text('Surface Tint Color and Shadow Color'), findsOneWidget);