message: Add missing call to surfaceChanged()
  Fixes
diff: @@ -381,6 +381,9 @@ public class UiHelper {
  final Surface surface = holder.getSurface();
  if (surface != null && surface.isValid()) {
  callback.surfaceCreated(holder);
  + int format = isOpaque() ? PixelFormat.OPAQUE : PixelFormat.TRANSLUCENT;
  + callback.surfaceChanged(holder, format,
  + holder.getSurfaceFrame().width(), holder.getSurfaceFrame().height());
  }
  }
  }
  