3204 [video_player] Upgrade ExoPlayer (cla: yes)

3206 [google_maps_flutter] Clean up google_maps_flutter plugin (cla: yes)

3207 [wifi_info_flutter] Method channel name fixed for android (cla: yes)

3208 broaden the constraint on package:vm_service (cla: yes)

3209 Remove unnecessary work around from test in prep for vm_service migration (cla: yes)

3210 [share] Fix bug on iPad where origin is null and enable XCUITests in the repo (cla: yes)

3212 [webview_flutter] iOS: Make webViewWebContentProcessDidTerminate invoke onWebResourceError (cla: yes)

3213 [google_maps_flutter] Overhaul lifecycle management in GoogleMapsPlugin (cla: yes)