3953 Fix publish-check output (cla: yes, waiting for tree to go green)

3954 [url_launcher] Fix Link test (cla: yes, p: url_launcher)

3956 [image_picker] Change storage location for camera captures to internal cache on Android, to comply with new Google Play storage requirements.  (cla: yes, waiting for tree to go green, p: image_picker, platform-android)

3957 [in_app_purchase] fix “autoConsume” param in “buyConsumable” (cla: yes, waiting for tree to go green, p: in_app_purchase, last mile)

3958 [webview_flutter] Fix race in test (cla: yes, p: webview_flutter)

3959 add a –dart-sdk option to the repo analysis command (cla: yes, waiting for tree to go green)