Revert "handle surfaces posts independently from composition"

This reverts commit 562f4b2c1e555b853997113bb54b21303d642bc6.

Change-Id: I96efe11c2f0494ed2d57fc580e49c598d913830e
diff --git a/services/surfaceflinger/MessageQueue.cpp b/services/surfaceflinger/MessageQueue.cpp
index 1ff3567..290fff4 100644
--- a/services/surfaceflinger/MessageQueue.cpp
+++ b/services/surfaceflinger/MessageQueue.cpp
@@ -133,7 +133,8 @@
 }
 
 void MessageQueue::invalidate() {
-    mHandler->signalInvalidate();
+//    mHandler->signalInvalidate();
+    mEvents->requestNextVsync();
 }
 
 void MessageQueue::refresh() {