Merge "Fix NPE in Bluetooth Settings." into tm-dev am: ec5aa12cec

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17944602

Change-Id: I9650808a7a8d133a8dd306cb20a2bf03dad860c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>