Merge "[LE broadcast sink] Add the broadcast sink apis" into tm-dev am: 5f937a70 am: dfc0cf84

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18130743



Change-Id: I6b8ea8314ccfb2a68b91c54bd677840adafd1e23
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>