Docs: Adding camera versioning information.

Bug: 17660062
Change-Id: I2127e8bb666f13c5dfa8c8da41666aa6d18bd2ec
diff --git a/src/devices/devices_toc.cs b/src/devices/devices_toc.cs
index 5f9a019..b18dc75 100644
--- a/src/devices/devices_toc.cs
+++ b/src/devices/devices_toc.cs
@@ -67,6 +67,7 @@
           <li><a href="<?cs var:toroot ?>devices/camera/camera3_crop_reprocess.html">Output and Cropping</a></li>
           <li><a href="<?cs var:toroot ?>devices/camera/camera3_error_stream.html">Errors and Streams</a></li>
           <li><a href="<?cs var:toroot ?>devices/camera/camera3_requests_methods.html">Request Creation</a></li>
+          <li><a href="<?cs var:toroot ?>devices/camera/versioning.html">Version Support</a></li>
         </ul>
       </li>