Docs: Adding Android 5.0 L security enhancements.

Bug: 18121650
Change-Id: I4549a6f258487a5f4252df88878783094462ca88
diff --git a/src/devices/devices_toc.cs b/src/devices/devices_toc.cs
index 44cbdd1..f953d96 100644
--- a/src/devices/devices_toc.cs
+++ b/src/devices/devices_toc.cs
@@ -134,6 +134,7 @@
               </a>
             </div>
             <ul>
+              <li><a href="<?cs var:toroot ?>devices/tech/security/enhancements50.html">Android 5.0</a></li>
               <li><a href="<?cs var:toroot ?>devices/tech/security/enhancements44.html">Android 4.4</a></li>
               <li><a href="<?cs var:toroot ?>devices/tech/security/enhancements43.html">Android 4.3</a></li>
               <li><a href="<?cs var:toroot ?>devices/tech/security/enhancements42.html">Android 4.2</a></li>