Merge "BTAudio: report session ended after cleaning up"

// bluetooth_audio outputs

void BluetoothAudioSession::OnSessionEnded() {

  std::lock_guard<std::recursive_mutex> guard(mutex_);

  if (IsSessionReady()) {

    ReportSessionStatus();

  }

  bool toggled = IsSessionReady();

  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);

  audio_config_ = (session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH

                       ? kInvalidOffloadAudioConfiguration

                       : kInvalidSoftwareAudioConfiguration);

  stack_iface_ = nullptr;

  UpdateDataPath(nullptr);

  if (toggled) {

    ReportSessionStatus();

  }

}

// invoking the registered session_changed_cb_