Method delay

fdbrpc/sim2.actor.cpp:901–904

	double timer_monotonic() override { return timer(); }

	Future<class Void> delay(double seconds, TaskPriority taskID) override {
		ASSERT(taskID >= TaskPriority::Min && taskID <= TaskPriority::Max);
		return delay(seconds, taskID, currentProcess);
	}
	Future<class Void> orderedDelay(double seconds, TaskPriority taskID) override {
		ASSERT(taskID >= TaskPriority::Min && taskID <= TaskPriority::Max);
		return delay(seconds, taskID, currentProcess, true);