Prevent Android Design sidenav links from opening a new window

Change-Id: I0ec74fb7ae9e348717d0d96603cd03c58c03459d
diff --git a/docs/html/design/index.html b/docs/html/design/index.html
index 5e74877..14d7b63 100644
--- a/docs/html/design/index.html
+++ b/docs/html/design/index.html
@@ -94,7 +94,7 @@
           </li>
 
           <li>
-            <div id="back-dac-section"><a href="../index.html" target="_blank">Developers</a></div>
+            <div id="back-dac-section"><a href="../index.html">Developers</a></div>
           </li>
 
         </ul>
@@ -130,16 +130,16 @@
 
         <p id="copyright">
           Except as noted, this content is licensed under
-          <a href="http://creativecommons.org/licenses/by/2.5/" target="_blank">
+          <a href="http://creativecommons.org/licenses/by/2.5/">
           Creative Commons Attribution 2.5</a>.<br>
           For details and restrictions, see the
-          <a href="http://developer.android.com/license.html" target="_blank">Content License</a>.
+          <a href="http://developer.android.com/license.html">Content License</a>.
         </p>
 
         <p>
-          <a href="http://www.android.com/terms.html" target="_blank">Site Terms of Service</a> &ndash;
-          <a href="http://www.android.com/privacy.html" target="_blank">Privacy Policy</a> &ndash;
-          <a href="http://www.android.com/branding.html" target="_blank">Brand Guidelines</a>
+          <a href="http://www.android.com/terms.html">Site Terms of Service</a> &ndash;
+          <a href="http://www.android.com/privacy.html">Privacy Policy</a> &ndash;
+          <a href="http://www.android.com/branding.html">Brand Guidelines</a>
         </p>
 
       </div>