1517 [in_app_purchase] Rename the unified API (cla: yes)

1519 [image_picker] request camera permission if need (cla: yes)

1520 [cloud_functions] update Dart API to replace call with getHttpsCallable (cla: yes, feature, flutterfire)

1523 [firebase_performance] Deprecate incrementCounter in favor of incrementMetric (cla: yes)

1527 Some additions to CODEOWNERS (cla: yes)

1528 [webview_flutter] Remove un-used method params (cla: yes)

1531 [image_picker] example app video load error fix. (bugfix, cla: yes)

1532 [firebase_messaging] remove obsolete docs instruction (cla: yes, flutterfire)