1311 [firebase_analytics] Add resetAnalyticsData method (cla: yes)

1314 trackCameraPosition is inferred from GoogleMap.onCameraMove (cla: yes)

1315 [image_picker] remove unnecessary file path for video. (bugfix, cla: yes, needs love, submit queue)

1316 [cloud_functions] Specify version for CocoaPod and handle null regions gracefully (cla: yes)

1322 [in_app_purchase] refactoring and tests (cla: yes)

1323 Allow specifying a navigation delegate (iOS implementation). (cla: yes)

1324 Exclude longPress from semantics (cla: yes)

1326 [image_picker] Update versioning for #1268 (cla: yes)

1327 Change build link in contributors site to cirrus (cla: yes)