Doc change: update query params to force refresh of local js files.

Change-Id: I217b5b80e39452412816907d55dee23a5176b287
diff --git a/tools/droiddoc/templates-sdk/docpage.cs b/tools/droiddoc/templates-sdk/docpage.cs
index 7d872bc..7cd9d43 100644
--- a/tools/droiddoc/templates-sdk/docpage.cs
+++ b/tools/droiddoc/templates-sdk/docpage.cs
@@ -194,10 +194,10 @@
 
 <?cs include:"trailer.cs" ?>
   <script src="https://developer.android.com/ytblogger_lists_unified.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_lists_unified.js?v=2" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_extras.js?v=3" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_collections.js?v=3" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_tag_helpers.js?v=2" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_lists_unified.js?v=3" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_extras.js?v=4" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_collections.js?v=4" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_tag_helpers.js?v=3" type="text/javascript"></script>
 
 </body>
 </html>