Wire up texture atlas

 Bug: 14590563

Change-Id: I2dffbc089dc801f5fb2d1c8fd38e1c71d160e110
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index dcb9858..a793d42 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -70,6 +70,9 @@
     Layer* createRenderLayer(int width, int height);
     Layer* createTextureLayer();
 
+    ANDROID_API static void setTextureAtlas(const sp<GraphicBuffer>& buffer,
+            int64_t* map, size_t mapSize);
+
 private:
     void processLayerUpdates(const Vector<DeferredLayerUpdater*>* layerUpdaters, TreeInfo& info);
     void prepareTree(TreeInfo& info);