Merge "docs: Build Tools release notes for 23.0.2 and 23.0.1 b/25646882" into mnc-docs

<div class="toggle-content opened">

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

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

      alt=""/>Build Tools, Revision 23.0.2</a> <em>(November 2015)</em>

  </p>

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    <ul>

      <li>Improved the merging performance of the <code>dx</code> tool.</li>

      <li>Fixed issues in the <a href="{@docRoot}guide/topics/renderscript/compute.html">RenderScript</a>

        compiler for Windows.</li>

    </ul>

  </div>

</div>

<div class="toggle-content closed">

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

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

      alt=""/>Build Tools, Revision 23.0.1</a> <em>(October 2015)</em>

  </p>

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

    <p>Fixed issues in the RenderScript tools.</p>

  </div>

</div>

<div class="toggle-content closed">

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

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

      alt=""/>Build Tools, Revision 23.0.0</a> <em>(August 2015)</em>

  </p>

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