[Android] Add data/background message support#876

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anatoly-spb wants to merge 4 commits intoOneSignal:mainfrom

anatoly-spb:add-remote-notification-handler

Commits on Apr 5, 2023

[Android] Add remoteNotificationHandler to process background message with content_available=true
Anatoly Shirokov
committed
Clear remoteNotificationHandler on destroy
Anatoly Shirokov
committed
Prevent double processing of identical OSNotificationReceivedEvent events
Anatoly Shirokov
committed
Fix OneSignalRemoteNotificationHandlerSetter.java location
Anatoly Shirokov
committed