message: Only log the remote worker is not alive when it's not alive
diff: @@ -746,9 +746,10 @@ Status EagerContextDistributedManager::CheckRemoteAlive(
  if (remote_status.ok()) {
  *is_alive = true;
  - }
  + } else {
  LOG(INFO) << "Remote worker " << remote_task_name
  << " is not alive: " << remote_status.error_message();
  + }
  return Status::OK();
  }
  #endif // !IS_MOBILE_PLATFORM
  