Implement loadSystemProperties

 Bug: 14087580

Change-Id: I7153f38c70b554a78c56a0e794da929fc401ee7a
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index 9c7fa25..0bf99d3 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -170,7 +170,7 @@
 
     @Override
     boolean loadSystemProperties() {
-        return false;
+        return nLoadSystemProperties(mNativeProxy);
     }
 
     private void updateRootDisplayList(View view, HardwareDrawCallbacks callbacks) {
@@ -306,6 +306,7 @@
     private static native void nDeleteProxy(long nativeProxy);
 
     private static native void nSetFrameInterval(long nativeProxy, long frameIntervalNanos);
+    private static native boolean nLoadSystemProperties(long nativeProxy);
 
     private static native boolean nInitialize(long nativeProxy, Surface window);
     private static native void nUpdateSurface(long nativeProxy, Surface window);