msm8226: Enable C2D composition.

Enable C2D composition on msm8226 target.

Change-Id: I19ed13c0dbfa7bbe516a284fc4ccb0f623d3d27d
diff --git a/system.prop b/system.prop
index 9c7080a..dcc642c 100644
--- a/system.prop
+++ b/system.prop
@@ -26,7 +26,7 @@
 
 debug.sf.hw=1
 debug.egl.hw=1
-debug.composition.type=gpu
+debug.composition.type=c2d
 persist.hwc.mdpcomp.enable=false
 debug.mdpcomp.logs=0
 dalvik.vm.heapsize=36m