Split BluetoothDevice into BluetoothDevice and BluetoothAdapter. BluetoothAdapter: Represents the local BT adapter. Operations on the local adapter (start a scan, etc). BluetoothDevice: Represents a remote BT device. Operations on remote devices (pair, connect, etc). IBluetoothDevice.aidl -> Bluetooth.aidl BluetoothDeviceService.java -> BluetoothDeviceService.java TODO: Javadoc