Prevent overlay drawing on top of Bluetooth pairing dialog am: 3f5bf02fd8 am: a0c963ba95

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

Change-Id: I3a9ba7c421a22ab231c4e0efbdafedce2d597c3f