RESTRICT AUTOMERGE Revoke SYSTEM_ALERT_WINDOW on upgrade past api 23 am: fba194b998

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20036692

Change-Id: I21fb1d0c4fe17bc61cacac9e8c6e819625812efb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>