Matan Lurey 7df3f8fc06
Add FlutterVersion.engineCommitDate, helps signal engine artifact SHA issues (#163652)
Closes #163644.

Before this change:
```sh
flutter-dev --version                                                                         
Flutter 3.30.0-1.0.pre.215 • channel [user-branch] • https://github.com/matanlurey/flutter
Framework • revision cead517e4e (79 seconds ago) • 2025-02-19 13:00:11 -0800
Engine • revision 39b4951f8f
Tools • Dart 3.8.0 (build 3.8.0-92.0.dev) • DevTools 2.43.0
```

After this change:
```sh
flutter-dev --version                                                                         
Flutter 3.30.0-1.0.pre.215 • channel [user-branch] • https://github.com/matanlurey/flutter
Framework • revision cead517e4e (79 seconds ago) • 2025-02-19 13:00:11 -0800
Engine • revision 39b4951f8f (79 seconds ago) • 2025-02-18 13:42:53 -0800
Tools • Dart 3.8.0 (build 3.8.0-92.0.dev) • DevTools 2.43.0
```

/cc @jtmcdole as this could be helpful for sleuthing artifact mismatch.
2025-02-20 16:31:29 +00:00
..