title: UniversalImageLoader android : Add white border around rounded image
body: <p>I use UniversalImageLoader library to create a rounded imageview :</p>
  
  <pre><code>DisplayImageOptions options = new DisplayImageOptions.Builder()
              .displayer(new RoundedBitmapDisplayer(2000))
              .cacheOnDisc(true)
              .build();
  
              ImageLoader imageLoader = ImageLoader.getInstance();
              imageLoader.displayImage(avatar, rounded, options);
  </code></pre>
  
  <p>How can i add a thin border (1dp) around the rounded imageView ?</p>