Merge "Check against null device" into main am: 5c0457c9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2758306



Change-Id: I4966eeeb82b6d038d662fb7a138dc529412b9f13
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>