Merge "[LE Broadcast]Add check for null point exception" into udc-dev am: ac6e91d9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23484432



Change-Id: I7d1d4474ecf7a83f62b6413cf041491e7f9410c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>