Merge hasFunctors & pushStaging into prepareTree

 Bug: 13902607
 Fixes synchronous mode for WebView in HardwareLayers

Change-Id: I90de1e26dcfd9b75cc2f03bac72705fc23237b68
diff --git a/libs/hwui/DeferredLayerUpdater.h b/libs/hwui/DeferredLayerUpdater.h
index ce08c2d..2cc9229 100644
--- a/libs/hwui/DeferredLayerUpdater.h
+++ b/libs/hwui/DeferredLayerUpdater.h
@@ -77,7 +77,7 @@
 
     ANDROID_API void setPaint(const SkPaint* paint);
 
-    ANDROID_API bool apply();
+    ANDROID_API bool apply(bool* hasFunctors);
 
     ANDROID_API Layer* backingLayer() {
         return mLayer;