3407 [video_player]: initial test coverage file() constructor api (cla: yes, waiting for tree to go green, p: video_player, last mile)

4409 [google_maps_flutter][android] suppress unchecked cast warning (cla: yes, waiting for tree to go green, p: google_maps_flutter, platform-android, last mile)

4411 [shared_preferences] Fix example in readme for mocking values (cla: yes, waiting for tree to go green, p: shared_preferences, last mile)

4449 [local_auth] Fix activity leak in LocalAuthPlugin (cla: yes, waiting for tree to go green, p: local_auth, platform-android, last mile)

4597 [in_app-purchase] Updated the ReadMe to remove the deprecated InAppPurchaseAndroidPlatformAddition.enablePendingPurchases  method (waiting for tree to go green, p: in_app_purchase, last mile)