title: Default toolbar and status bar not showing into xml preview in android studio 3.3
body: <p>The base theme of android studio did not showing the default Actionbar and Status Bar in the XML preview option in android studio 3.3 version. </p>
  
  <p>It looks like this:</p>
  
  <p><a href="https://i.stack.imgur.com/nkgq8.png" rel="noreferrer"><img src="https://i.stack.imgur.com/nkgq8.png" alt="image1"></a></p>
  
  <p>But it used to/should look like this:</p>
  
  <p><a href="https://i.stack.imgur.com/TpLuB.png" rel="noreferrer"><img src="https://i.stack.imgur.com/TpLuB.png" alt="image2"></a></p>
  
  <p>How do i get it to show the navigation bar and action bar again?</p>