Balls test app.

Change-Id: I842f43e37145f8112120e2bd49925f81c588c40c

graphics/java/android/renderscript/RenderScriptGL.java

@@ -141,6 +141,13 @@ public class RenderScriptGL extends RenderScript {
         nContextSetSurface(w, h, mSurface);
     }
 
+    public int getHeight() {
+        return mHeight;
+    }
+
+    public int getWidth() {
+        return mWidth;
+    }
 
     void pause() {
         validate();