title: MPMediaItemArtwork init(image:) deprecated in iOS 10.0
body: <p>Apple has deprecated <code>init(image:)</code> method in <code>MPMediaItemArtwork</code> in iOS 10.
  What is the new alternative. </p>
  
  <p>the class shows interface shows method below to be available in the new OS version</p>
  
  <pre><code>public init(boundsSize: CGSize, requestHandler: @escaping (CGSize) -&gt; UIImage)
  </code></pre>
  
  <p>Anyone know how to use it?</p>
  
  <p>Also question 2, part of the previous question: Does showing <em>now playing</em> metadata on the lock-screen and control-center using <code>MPNowPlayingInfoCenter</code> work in the simulator?</p>