Prevent overlay drawing on top of Bluetooth pairing dialog am: 3f5bf02f am: a0c963ba am: 368fc30e am: 988d9633 am: ea460a85 am: 7d385158 am: a4e4323f

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

Change-Id: I2f94e198e0c3698b2ddcbaa3cf6c7ec51a5f3d6c