Merge "keep PENDING status while waiting for connectAudio's result" into main

  /* Post start SCO event and wait for sco to open */

  hfp_pending_cmd_ = HFP_CTRL_CMD_START;

  // as ConnectAudio only queues the command into main thread, keep PENDING

  // status

  auto status =

      bluetooth::headset::GetInterface()->ConnectAudio(&cb->peer_addr, 0);

  hfp_pending_cmd_ = HFP_CTRL_CMD_NONE;

  LOG(INFO) << __func__ << ": ConnectAudio status = " << status << " - "

            << bt_status_text(status).c_str();

  auto ctrl_ack = status_to_ack_map.find(status);

  if (ctrl_ack == status_to_ack_map.end())

  if (ctrl_ack == status_to_ack_map.end()) {

    LOG_WARN("Unmapped status=%d", status);

    return BluetoothAudioCtrlAck::FAILURE;

  }

  if (ctrl_ack->second != BluetoothAudioCtrlAck::SUCCESS_FINISHED) {

    return ctrl_ack->second;

  }

  return BluetoothAudioCtrlAck::PENDING;

}

void HfpTransport::StopRequest() {

  LOG(INFO) << __func__ << ": handling";