3.38 / 3.10 (#2742)

This PR makes samples pass CI when 3.10 is released.

## 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 have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).

platform_design/lib/main.dart

@@ -56,8 +56,7 @@ class PlatformAdaptingHomePage extends StatefulWidget {
       _PlatformAdaptingHomePageState();
 }
 
-class _PlatformAdaptingHomePageState
-    extends State<PlatformAdaptingHomePage> {
+class _PlatformAdaptingHomePageState extends State<PlatformAdaptingHomePage> {
   // This app keeps a global key for the songs tab because it owns a bunch of
   // data. Since changing platform re-parents those tabs into different
   // scaffolds, keeping a global key to it lets this app keep that tab's data as

platform_design/lib/news_tab.dart

@@ -55,9 +55,7 @@ class _NewsTabState extends State<NewsTab> {
         child: InkWell(
           // Make it splash on Android. It would happen automatically if this
           // was a real card but this is just a demo. Skip the splash on iOS.
-          onTap: defaultTargetPlatform == TargetPlatform.iOS
-              ? null
-              : () {},
+          onTap: defaultTargetPlatform == TargetPlatform.iOS ? null : () {},
           child: Padding(
             padding: const EdgeInsets.all(12.0),
             child: Row(

platform_design/lib/utils.dart

@@ -39,8 +39,7 @@ String generateRandomHeadline() {
     2 => '$artist releases ${capitalizePair(wordPairIterator.first)}',
     3 => '$artist talks about his ${nouns[_random.nextInt(nouns.length)]}',
     4 => '$artist talks about her ${nouns[_random.nextInt(nouns.length)]}',
-    5 =>
-      '$artist talks about their ${nouns[_random.nextInt(nouns.length)]}',
+    5 => '$artist talks about their ${nouns[_random.nextInt(nouns.length)]}',
     6 =>
       '$artist says their music is inspired by ${wordPairIterator.first.join(' ')}',
     7 =>