title: Failed to find style 'coordinatorLayoutStyle' in current theme In Android Studio 3.1
body: <p>The Android Studio 3.1 layout preview fails to find style 'coordinatorLayoutStyle' in the current theme.</p>
  
  <pre><code>Failed to instantiated one or more classes.
   Exception shown are :-
  java.lang.ClassNotFoundException: android.view.View$OnUnhandledKeyEventListener
  </code></pre>