Delete a bunch of code

This removes the duality of DisplayList, removing a small amount of
overhead

Test: buids & hwuiunit passes

Change-Id: I8bb3a20e9ead1caec4b4a8a3e9f2c08f717a7096
diff --git a/libs/hwui/VectorDrawable.h b/libs/hwui/VectorDrawable.h
index da52a95..e84b9ac 100644
--- a/libs/hwui/VectorDrawable.h
+++ b/libs/hwui/VectorDrawable.h
@@ -718,6 +718,8 @@
 }  // namespace VectorDrawable
 
 typedef VectorDrawable::Path::Data PathData;
+typedef uirenderer::VectorDrawable::Tree VectorDrawableRoot;
+
 }  // namespace uirenderer
 }  // namespace android