Merge change 27046 into eclair

* changes:
  Add a method to destroy the RS object.

graphics/java/android/renderscript/RSSurfaceView.java

@@ -153,6 +153,9 @@ public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback
         return createRenderScript(useDepth, false);
     }
 
-
+    public void destroyRenderScript() {
+        mRS.destroy();
+        mRS = null;
+    }
 }