state
- When the user clicks another broadcast source and wants to join,
we will remove the previous item that created by getAllSource().
And trigger the search again.
Bug: 242267719
Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothBroadcastSourcePreferenceTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothFindBroadcastsFragmentTest
Change-Id: I416f0a39e31276876e63360664555f99dd7297c9
If the sink device has connected the broadcast source, then the device
should initialize the sourceId and create the sourceId's preference UI.
Bug: 231576575
Test: manually test
Change-Id: I24d9e6d4c78dc4e583c5253e552456a68b1114c3