title: problems with importing org.joda.time in AndroidX
body: <p>I just upgraded my project to AndroidX and I get error message </p>
  
  <blockquote>
    <p>error: package org.joda.time does not exist</p>
  </blockquote>
  
  <p>when want to </p>
  
  <pre><code>import org.joda.time.Period.
  </code></pre>
  
  <p>But when run old version of my project, before migrating to androidX, all work perfect. My Android Studio can find the package.</p>
  
  <p>Any suggestion how to fix it?</p>