Make updateSurface non-blocking

am: cd68212f08

Change-Id: I691e5a2979e92572440ad7c410e8f0cec6169beb

core/java/android/view/ThreadedRenderer.java

@@ -519,16 +519,6 @@ public final class ThreadedRenderer {
         }
     }
 
-    /**
-     * This method should be invoked whenever the current hardware renderer
-     * context should be reset.
-     *
-     * @param surface The surface to hardware accelerate
-     */
-    void invalidate(Surface surface) {
-        updateSurface(surface);
-    }
-
     /**
      * Detaches the layer's surface texture from the GL context and releases
      * the texture id

libs/hwui/renderthread/RenderProxy.cpp

@@ -158,7 +158,7 @@ void RenderProxy::updateSurface(const sp<Surface>& surface) {
     SETUP_TASK(updateSurface);
     args->context = mContext;
     args->surface = surface.get();
-    postAndWait(task);
+    post(task);
 }
 
 CREATE_BRIDGE2(pauseSurface, CanvasContext* context, Surface* surface) {