Connect shadow style attributes to renderer

bug:15859361

Moves lighting info out of StatefulBaseRenderer, since it's not useful
at record time, and only used by OGLR.

Change-Id: I7ab065d02d9304afad1dc4c48597a7a621366f8e
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 1bab1b1..2a01027 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -53,7 +53,8 @@
     bool initialize(ANativeWindow* window);
     void updateSurface(ANativeWindow* window);
     void pauseSurface(ANativeWindow* window);
-    void setup(int width, int height, const Vector3& lightCenter, float lightRadius);
+    void setup(int width, int height, const Vector3& lightCenter, float lightRadius,
+            uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha);
     void setOpaque(bool opaque);
     void makeCurrent();
     void processLayerUpdate(DeferredLayerUpdater* layerUpdater);