1493 [android_alarm_manager] Added comments and refactored android_alarm_manager plugin for clarity. (cla: yes)

1495 [in_app_purchase ]add cyanglaz to code owner. (cla: yes)

1496 Add myself to video_player CODEOWNERS (cla: yes)

1501 [webview_flutter] Fixed documentation for usage example of JavaScript message (cla: yes)

1502 [connectivity] Fixes lint error by using getApplicationContext() (cla: yes)

1503 Update firebase_auth CocoaPod dependency (cla: yes)

1504 [firebase_storage] Return error when failing to read file (bugfix, cla: yes, flutterfire)

1505 [image_picker] Fix path of returned File objects when picking videos (bugfix, cla: yes)