Prevent overlay drawing on top of Bluetooth discovery request dialog am: ac67100423 am: 2094f01676 am: 0b7ce7660c am: fa8d015bdb am: 682c00d893 am: 62ec2b5aa0 am: 01251764ce am: 06828a4a9f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/11484057

Change-Id: Ib14d72b76567f9dfa50ede2a38b01f93b8f36ad8