Implement loadSystemProperties

 Bug: 14087580

Change-Id: I7153f38c70b554a78c56a0e794da929fc401ee7a
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index 984cc65..013c3bd 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -61,6 +61,7 @@
     ANDROID_API virtual ~RenderProxy();
 
     ANDROID_API void setFrameInterval(nsecs_t frameIntervalNanos);
+    ANDROID_API bool loadSystemProperties();
 
     ANDROID_API bool initialize(const sp<ANativeWindow>& window);
     ANDROID_API void updateSurface(const sp<ANativeWindow>& window);