4514 Enable Android integration tests in remaining plugins (cla: yes, waiting for tree to go green, p: camera, p: in_app_purchase, p: url_launcher, p: video_player, p: shared_preferences, platform-android)

4515 [url_launcher] Federate mobile implementations (cla: yes, p: url_launcher, platform-ios, platform-android)

4529 [url_launcher] Improve README and example (cla: yes, p: url_launcher)

4536 [url_launcher] Publish fully federated version (cla: yes, p: url_launcher)

4551 [url_launcher] Switch to new analysis options (cla: yes, p: url_launcher, platform-ios, platform-android, platform-windows, platform-macos, platform-linux, platform-web)