1424 [google_maps_flutter] Add a key parameter to the GoogleMap widget (cla: yes)

1427 [firebase_crashlytics] Do not break debug log formatting. (cla: yes, flutterfire)

1428 [firebase_analytics] Added Navigator.pushReplacement screen tracking (bugfix, cla: yes, feature, flutterfire)

1429 Make sure to post javascript channel messages from the platform thread. (cla: yes)

1430 [google_maps] Maps zoom level tests (cla: yes)

1434 [google_map] Test zoom gestures enabled (cla: yes)

1435 [cloud_firestore] Remove usage of invokeMapMethod (cla: yes)

1436 Fix formatting in main.dart of firebase_database, firebase_storage, google_sign_in, shared_preference (cla: yes)