Docs: Better integrating HAL contents into source.android.com

Bug: 12067952, 12228517
Change-Id: I741e03ee9ee5070960dc7687f5f49e840b31a401
diff --git a/src/devices/devices_toc.cs b/src/devices/devices_toc.cs
index 93da9f4..3e3ce4c 100644
--- a/src/devices/devices_toc.cs
+++ b/src/devices/devices_toc.cs
@@ -294,7 +294,7 @@
 
       <li class="nav-section">
         <div class="nav-section-header empty">
-          <a href="<?cs var:toroot ?>devices/reference/files.html">
+          <a href="<?cs var:toroot ?>devices/halref/index.html">
             <span class="en">HAL File Reference</span>
           </a>
         </div>