Prevent overlay drawing on top of Bluetooth pairing dialog am: 3f5bf02fd8 am: a0c963ba95 am: 368fc30e37 am: 988d9633c2 am: ea460a8527 am: 7d38515814 am: a4e4323fc1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/11484056

Change-Id: I43c6a02b355892dc9796654fae034698c978fa2e