4560 [in_app_purchase] Fix upgrading subscription by deferred proration mode on android. (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-android)

4597 [in_app-purchase] Updated the ReadMe to remove the deprecated InAppPurchaseAndroidPlatformAddition.enablePendingPurchases  method (waiting for tree to go green, p: in_app_purchase, last mile)

p: path_provider - 13 pull request(s)

3077 [path_provider] Use the application ID in the application support path (#2845) (cla: yes, waiting for tree to go green, p: path_provider, platform-linux, last mile)

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