Rename posted to requestedPresent for getFrameTimestamps

Test: Just a rename.

Change-Id: I63aa5b1b84715de2bebffb25f92bd826323a9acb
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 64b049c..5aba69b 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -407,7 +407,7 @@
     void getFrameStats(FrameStats* outStats) const;
 
     void getFenceData(String8* outName, uint64_t* outFrameNumber,
-            bool* outIsGlesComposition, nsecs_t* outPostedTime,
+            bool* outIsGlesComposition, nsecs_t* outRequestedPresentTime,
             sp<Fence>* outAcquireFence, sp<Fence>* outPrevReleaseFence) const;
 
     std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush);