Add shadow support to new reorderer/renderer

Doesn't yet use correct lighting info (esp. in layers), or
tessellate shadows asynchronously

Change-Id: I9ccec24b28869be42138a9bb234b1af874291a44
diff --git a/libs/hwui/BakedOpRenderer.h b/libs/hwui/BakedOpRenderer.h
index aa1e67d..4c3a2d0 100644
--- a/libs/hwui/BakedOpRenderer.h
+++ b/libs/hwui/BakedOpRenderer.h
@@ -81,8 +81,8 @@
 
     void startFrame(uint32_t width, uint32_t height);
     void endFrame();
-    OffscreenBuffer* createLayer(uint32_t width, uint32_t height);
-    void startLayer(OffscreenBuffer* offscreenBuffer);
+    OffscreenBuffer* startTemporaryLayer(uint32_t width, uint32_t height);
+    void startRepaintLayer(OffscreenBuffer* offscreenBuffer);
     void endLayer();
 
     Texture* getTexture(const SkBitmap* bitmap);