Adjust light source for window position

Bug: 16523629
Change-Id: I2f3fed1edcac0a3cfd5034aded45e08ececfebaf
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 09674f7..54bcd7e 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -94,14 +94,17 @@
     }
 }
 
-void OpenGLRenderer::initLight(const Vector3& lightCenter, float lightRadius,
-        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
-    mLightCenter = lightCenter;
+void OpenGLRenderer::initLight(float lightRadius, uint8_t ambientShadowAlpha,
+        uint8_t spotShadowAlpha) {
     mLightRadius = lightRadius;
     mAmbientShadowAlpha = ambientShadowAlpha;
     mSpotShadowAlpha = spotShadowAlpha;
 }
 
+void OpenGLRenderer::setLightCenter(const Vector3& lightCenter) {
+    mLightCenter = lightCenter;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Setup
 ///////////////////////////////////////////////////////////////////////////////