Android: Bump Target API

[data-sync-user]

We’re due November 1st. ->https://support.google.com/googleplay/android-developer/answer/11926878

So this task Blocks the next Update.

Should be easy https://developer.android.com/google/play/requirements/target-sdk#pre12

┆Issue is synchronized with this Jira Task ┆author: Basti (Sebastian) Streich