Serializing display lists

This is a WIP prototype

Change-Id: Id4bfcf2b7bf905221c3734b7b6887c9b2efd37e6
diff --git a/libs/hwui/RevealClip.h b/libs/hwui/RevealClip.h
index 0084a8e..63821dd 100644
--- a/libs/hwui/RevealClip.h
+++ b/libs/hwui/RevealClip.h
@@ -51,7 +51,10 @@
         outBounds->set(mX - mRadius, mY - mRadius,
                 mX + mRadius, mY + mRadius);
     }
+
     float getRadius() const { return mRadius; }
+    float getX() const { return mX; }
+    float getY() const { return mY; }
 
     const SkPath* getPath() const {
         if (!mShouldClip) return nullptr;