title: How to list shared folders from "My Drive"
body: <p>On Google Drive web application, "My Drive" contains following folders</p>
  
  <ul>
  <li>A (owner: me, shared: true)</li>
  <li>B (owner: not me, shared: true)</li>
  <li>C (owner: me, shared: false)</li>
  </ul>
  
  <p>When I try to get files.list with query "parents in 'root' and mimeType = 'application/vnd.google-apps.folder'", I obtain only "C" folder.</p>
  
  <p>How to get "A" and "C" folders in the query result ?</p>