4465 [path_provider] Federate mobile implementations (cla: yes, p: path_provider, platform-ios, platform-android)

4466 Remove -Werror from deprecated plugin Android builds (cla: yes, p: android_alarm_manager, p: android_intent, p: connectivity, platform-android)

4471 [in_app_purchase] add pedantic as a dependency to in_app_purchase plugins (cla: yes, p: in_app_purchase, platform-ios, platform-android)

4494 [package_info] Bump SDK version of example app (cla: yes, waiting for tree to go green, p: package_info, platform-android, needs tests)