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.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 2147810..756f660 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -110,10 +110,11 @@
     // and such to prevent from trying to render into this surface
 }
 
-void CanvasContext::setup(int width, int height, const Vector3& lightCenter, float lightRadius) {
+void CanvasContext::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
+        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
     if (!mCanvas) return;
     mCanvas->setViewport(width, height);
-    mCanvas->initializeLight(lightCenter, lightRadius);
+    mCanvas->initLight(lightCenter, lightRadius, ambientShadowAlpha, spotShadowAlpha);
 }
 
 void CanvasContext::setOpaque(bool opaque) {