workaround: don't reset compositionType to HWC_FRAMEBUFFER [DO NOT MERGE]

This workaround a HWC HAL issue in Nexus 7, which causes videos and live
wallpapers to animate slowly.

Bug: 7563862
Change-Id: I16ad85317e3e7f47f005e7397357c14186b0a13d
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 29b778d..2eb74b7 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -804,7 +804,7 @@
         getLayer()->acquireFenceFd = fenceFd;
     }
     virtual void setPerFrameDefaultState() {
-        getLayer()->compositionType = HWC_FRAMEBUFFER;
+        //getLayer()->compositionType = HWC_FRAMEBUFFER;
     }
     virtual void setDefaultState() {
         getLayer()->compositionType = HWC_FRAMEBUFFER;