[Easy] Add more check for elapsedTime of torch.xxx.Event and torch.Event (#151404)

As the title stated

**Changes:**
- Add **record**, **query** and **enable_timing** check
- Add related tests
Pull Request resolved: https://github.com/pytorch/pytorch/pull/151404
Approved by: https://github.com/albanD

test/test_accelerator.py

@@ -112,6 +112,23 @@ class TestAccelerator(TestCase):
         self.assertTrue(t_host.is_pinned())
         self.assertEqual(t_acc.cpu(), t_host)
 
+    def test_generic_event_behavior(self):
+        event1 = torch.Event(enable_timing=False)
+        event2 = torch.Event(enable_timing=False)
+        with self.assertRaisesRegex(
+            ValueError,
+            "Both events must be created with argument 'enable_timing=True'",
+        ):
+            event1.elapsed_time(event2)
+
+        event1 = torch.Event(enable_timing=True)
+        event2 = torch.Event(enable_timing=True)
+        with self.assertRaisesRegex(
+            ValueError,
+            "Both events must be recorded before calculating elapsed time",
+        ):
+            event1.elapsed_time(event2)
+
 
 if __name__ == "__main__":
     run_tests()