function scheduler_addWorkerTask(id, priority, queue) {
  scheduler_addTask.call(this, id, priority, queue, new WorkerTask(this, ID_HANDLER_A, 0));
}
Add a work task to this scheduler.
@param {int} id the identity of the task
@param {int} priority the task's priority
@param {Packet} queue the queue of work to be processed by the task