Add stagingProperties

Change-Id: Ic7de551f8843fd70a77f738e33028e25c020bb3c
diff --git a/libs/hwui/Outline.h b/libs/hwui/Outline.h
index f42be50..4e496e7 100644
--- a/libs/hwui/Outline.h
+++ b/libs/hwui/Outline.h
@@ -64,7 +64,7 @@
         return mShouldClip && (mType == kOutlineType_RoundRect);
     }
 
-    const SkPath* getPath() {
+    const SkPath* getPath() const {
         if (mType == kOutlineType_None) return NULL;
 
         return &mPath;