1866 [instrumentation_adapter] enable Firebase Test Lab Android testing (cla: yes)

1933 [google_maps_flutter] Avoid unnecessary redraws (cla: yes, in review)

1953 [path_provider] add getApplicationLibraryDirectory (cla: yes)

1984 Remove Flutterfire plugins (moved to FirebaseExtended) (cla: yes)

1985 [android_alarm_manager] Added ability to get id in the callback (cla: yes)

1990 [path_provider] Add missing tests (backlog, cla: yes)

1993 [pathprovider] Fix fall through bug (cla: yes)

1996 [webview_flutter] Allow underscores anywhere for Javascript Channel name (cla: yes)

1998 [video_player] Fix deprecated member use (cla: yes)