Ignore upcoming warnings webview_flutter_android (flutter#5922)

* ignore upcoming warnings in webview_flutter_android

* update-release-info

[url_launcher] Update README discussion of permissions (flutter#5424)

[various] Clean up obsolete references to "master" (flutter#5912)

[various] Clean up obsolete references to "master" (flutter#5912)

[video_player] Android: Rotate videos recorded in landscapeRight (flu…

…tter#3820)

[various] Clean up obsolete references to "master" (flutter#5912)

[various] Clean up obsolete references to "master" (flutter#5912)

[various] Clean up obsolete references to "master" (flutter#5912)

[various] Clean up obsolete references to "master" (flutter#5912)

[various] Clean up obsolete references to "master" (flutter#5912)