@Override
          public void setResponse(UpdateFragmentResponseProto response) {
            callback.setDone(ctx, response.getResult());
          }
@param node
@param callback
@return if it was possible to attempt the registration. Sometimes it's
not possible because is a dag is not running
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskCommunicator.java