1554 [video_player] Prevent Div/0 during network playback initialization. (cla: yes)

1555 [in_app_purchase] Minor doc updates (cla: yes)

1557 [firebase_performance] Testing of firebase performance rewrite PRs (cla: yes, flutterfire)

1558 [google_maps_flutter] Android: update myLocationButton preference on map load (cla: yes)

1559 add cyanglaz to codeowner of video_player (cla: yes)

1560 [in_app_purchase] Remove extraneous download logic (cla: yes)

1561 [in_app_purchase] Update README. Increment version. (cla: yes)

1564 [firebase_crashlytics] Migrate FlutterErrorDetails (cla: yes)