Merge "Prevent drawing on top of Bluetooth activities" into rvc-qpr-dev am: e665e62cfd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Bluetooth/+/13090899

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8b6742d5f2e4830bd37a86dfea938659865c31f3