add node measure event and passing the callback to java layer

Summary: Adds measure event and its listener initial code structure

Reviewed By: davidaurelio

Differential Revision: D15600738

fbshipit-source-id: d15764e0b64edb170fcb15e0912ecce5f7e53595

tests/EventsTest.cpp

@@ -131,6 +131,8 @@ void EventTest::listen(const YGNode& node, Event::Type type, Event::Data data) {
       break;
     case Event::LayoutPassEnd:
       break;
+    case Event::NodeMeasure:
+      break;
   }
 }