title: What is the size, in pixels, of AdSize.BANNER?
body: <p>In my Android app, I have an AdView:</p>
  
  <pre><code>AdView adView = new AdView(this, AdSize.BANNER, MY_BANNER_UNIT_ID);
  </code></pre>
  
  <p>How do I get the size of this in pixels?</p>