Support transform'd GraphicBuffers

Bug: 28428955
Change-Id: I23e2fc9b96a67c7cfda42d9d7319e478194a7fa7
diff --git a/libs/hwui/GlopBuilder.h b/libs/hwui/GlopBuilder.h
index b6c186d..a9dd56f 100644
--- a/libs/hwui/GlopBuilder.h
+++ b/libs/hwui/GlopBuilder.h
@@ -73,7 +73,7 @@
     // TODO: Texture should probably know and own its target.
     // setFillLayer() forces it to GL_TEXTURE which isn't always correct.
     // Similarly setFillLayer normally forces its own wrap & filter mode
-    GlopBuilder& setFillExternalTexture(Texture& texture);
+    GlopBuilder& setFillExternalTexture(Texture& texture, Matrix4& textureTransform);
 
     GlopBuilder& setTransform(const Snapshot& snapshot, const int transformFlags) {
         return setTransform(*snapshot.transform, transformFlags);