private boolean removeFromPreemptionQueue(TaskWrapper taskWrapper) {
    synchronized (lock) {
      return removeFromPreemptionQueueUnlocked(taskWrapper);
    }
  }
Remove the specified taskWrapper from the preemption queue
@param taskWrapper the taskWrapper to be removed
@return true if the element existed in the queue and wasa removed, false otherwise
llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/TaskExecutorService.java