Publish two events for measure callbacks

Summary: Publishing two events will allow us to replace marker functionality completely with events. This also allows us to remove measuring time spent from Yoga itself.

Reviewed By: SidharthGuglani

Differential Revision: D16049810

fbshipit-source-id: 98628a92ed3c94d479e9fbcd53fac90c5f524087

tests/EventsTest.cpp

@@ -134,10 +134,9 @@ void EventTest::listen(const YGNode& node, Event::Type type, Event::Data data) {
       events.push_back(createArgs<Event::NodeLayout>(node, data));
       break;
     case Event::LayoutPassStart:
-      break;
     case Event::LayoutPassEnd:
-      break;
-    case Event::NodeMeasure:
+    case Event::MeasureCallbackStart:
+    case Event::MeasureCallbackEnd:
       break;
   }
 }