Merge changes I93fa880a,Ib036852a,Ic5ab3c04,I4452eacf

* changes:
  Bluetooth: Check INIT flag change on audio disconnect
  BluetoothDeviceConfigListener: Don't restart when connected
  BluetoothAirplaneModeListener -> BluetoothModeChangeHelper
  BluetoothManagerService: Separate DeviceConfigListener