Method setCurrentTask

fdbrpc/sim2.actor.cpp:954–954

	}
	TaskPriority getCurrentTask() const override { return currentTaskID; }
	void setCurrentTask(TaskPriority taskID) override { currentTaskID = taskID; }
	// Sets the taskID/priority of the current task, without yielding
	Future<Reference<IConnection>> connect(NetworkAddress toAddr,
	                                       boost::asio::ip::tcp::socket* existingSocket = nullptr) override {