Merge "Add BluetoothLeBroadcastSourceInfo." am: e5fb36cbf2 am: 7d24df44bc am: a16f4ac7c3 am: dcd76d8e99

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1915000

Change-Id: I3d5508462b3e3ec7cf76563175250039d01a79ef