hardware.google.bluetooth.ccc 1.1 IBluetoothCcc default hardware.google.bluetooth.bt_channel_avoidance 1.0 IBTChannelAvoidance default hardware.google.bluetooth.sar 1.1 IBluetoothSar default hardware.google.bluetooth.ext 1.0 IBluetoothExt default hardware.google.bluetooth.ewp 1.0 IBluetoothEwp default