Merge "Add new broadcast delivery group related APIs." am: 995e16c9ec am: 3579edde20

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2321867

Change-Id: Ic87b805370c47d03ad4ddac7ce0c83a498b1b574
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>