Merge "Added SystemApi annotation to REASON_BLUETOOTH_BROADCAST" am: 77b596f2bf am: e1e07765ba am: 6198337c7a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1946687

Change-Id: Ief519c4bdf208680b8e4a3ab2bc3cced6a4b9f53