BluetoothAdapter#setActiveDevice with a null device Bug: 147428526 Test: Manual Change-Id: I838448a504515d5a8b1eec254ccc1d9414239475
BluetoothAdapter#setActiveDevice with a null device Bug: 147428526 Test: Manual Change-Id: I838448a504515d5a8b1eec254ccc1d9414239475