Separate spot and ambient shadow strength setting

Change-Id: I4530e618b09a7f44b5382f8a40646c0ebf5f214c
diff --git a/libs/hwui/Caches.h b/libs/hwui/Caches.h
index e7ba9ac..2cc15cc 100644
--- a/libs/hwui/Caches.h
+++ b/libs/hwui/Caches.h
@@ -367,7 +367,8 @@
     float propertyLightPosXScale;
     float propertyLightPosYScale;
     float propertyLightPosZScale;
-    int propertyShadowStrength;
+    int propertyAmbientShadowStrength;
+    int propertySpotShadowStrength;
 
 private:
     enum OverdrawColorSet {