message: Make the output format the same as printf above line.
diff: @@ -52,7 +52,7 @@ void LogDeviceAssignment(const Node* node, bool log_device_placement) {
  printf("%s: (%s): %s\n", node->name().c_str(), node->type_string().c_str(),
  node->assigned_device_name().c_str());
  LOG(INFO) << node->name() << ": "
  - << "(" << node->type_string() << ")"
  + << "(" << node->type_string() << "): "
  << node->assigned_device_name();
  }
  }
  