message: camera: return BUSY not IN_PROGRESS if we're busy
diff: @@ -630,7 +630,7 @@ void CameraImpl::get_status_async(Camera::get_status_callback_t callback)
  if (_status.callback != nullptr) {
  if (callback) {
  Camera::Status empty_status = {};
  - callback(Camera::Result::IN_PROGRESS, empty_status);
  + callback(Camera::Result::BUSY, empty_status);
  return;
  }
  }
  