docs: Support Library release note for 23.1.1

<p>This section provides details about the Support Library package releases.</p>

<div class="toggle-content opened">

  <p id="rev23-1-0"><a href="#" onclick="return toggleContent(this)">

  <p id="rev23"><a href="#" onclick="return toggleContent(this)">

    <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-content-img" alt=""

/>Android Support Library, revision 23.1.1</a> <em>(November 2015)</em>

  </p>

  <div class="toggle-content-toggleme">

    <dl>

      <dt>Changes for <a href="features.html#v7-recyclerview">v7 recyclerview library:</a></dt>

      <dd>

        <ul>

          <li>Fixed a crash that occurs when you perform a swipe-to-dismiss action that the

            {@code ItemTouchHelper} utility class provides, and then add an item.

            (<a href="http://b.android.com/190500">Issue 190500</a>)</li>

         </ul>

      </dd>

      <dt>Changes for <a href="features.html#v7-preference">v7 preference library:</a></dt>

      <dd>

        <ul>

          <li>Fixed an issue with ProGuard usage.

          (<a href="http://b.android.com/183261">Issue 183261</a>)</li>

         </ul>

      </dd>

      <dt>Changes for <a href="features.html#v17-leanback">v17 Leanback Support library:</a></dt>

      <dd>

        <ul>

          <li>Fixed a number of internal issues in this library.</li>

         </ul>

      </dd>

      <dt>Changes for <a href="features.html#design">Design Support library:</a></dt>

      <dd>

        <ul>

          <li>Added the <code>getHeaderView</code> method to the <code>NavigationView</code> class.</li>

          <li>Fixed a transparent background issue for a <code>FloatingActionButton</code> object on

          devices running Android 4.0 (API level 15) and lower.

          (<a href="http://b.android.com/183315">Issue 183315</a>)</li>

         </ul>

       </dd>

    </dl>

  </div>

</div> <!-- end of collapsible section -->

<div class="toggle-content closed">

  <p id="rev23-1-0"><a href="#" onclick="return toggleContent(this)">

    <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" alt=""

/>Android Support Library, revision 23.1.0</a> <em>(October 2015)</em>

  </p>

  <div class="toggle-content-toggleme">