title: How exactly to use Notification.Builder
body: <p>I found that I am using a deprecated method for noficitations (notification.setLatestEventInfo())</p>
  
  <p>It says to use Notification.Builder. </p>
  
  <ul>
  <li><strong>How do I use it?</strong></li>
  </ul>
  
  <p>When I try to create a new instance, it tells me:</p>
  
  <pre><code>Notification.Builder cannot be resolved to a type
  </code></pre>