Doc change: add query param to force refresh in proxy caches.

Change-Id: I7bbec536bba7878ef9b5fdc91a25a47437e276ed
diff --git a/tools/droiddoc/templates-sdk/docpage.cs b/tools/droiddoc/templates-sdk/docpage.cs
index bfbe074..4d1404b 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" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_extras.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_collections.js" type="text/javascript"></script>
-  <script src="<?cs var:toroot ?>jd_tag_helpers.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=2" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_collections.js?v=2" type="text/javascript"></script>
+  <script src="<?cs var:toroot ?>jd_tag_helpers.js?v=2" type="text/javascript"></script>
 
 </body>
 </html>
diff --git a/tools/droiddoc/templates-sdk/head_tag.cs b/tools/droiddoc/templates-sdk/head_tag.cs
index d8d3f49..7ecb7f9 100644
--- a/tools/droiddoc/templates-sdk/head_tag.cs
+++ b/tools/droiddoc/templates-sdk/head_tag.cs
@@ -38,7 +38,7 @@
 if:android.whichdoc != 'online' ?>http:<?cs
 /if ?>//fonts.googleapis.com/css?family=Roboto:light,regular,medium,thin,italic,mediumitalic,bold"
   title="roboto">
-<link href="<?cs var:toroot ?>assets/css/default.css" rel="stylesheet" type="text/css">
+<link href="<?cs var:toroot ?>assets/css/default.css?v=2" rel="stylesheet" type="text/css">
 
 <?cs if:reference && !(reference.gms || reference.gcm || preview) ?>
 <!-- FULLSCREEN STYLESHEET -->
@@ -62,7 +62,7 @@
   var metaTags = [<?cs var:meta.tags ?>];
   var devsite = <?cs if:devsite ?>true<?cs else ?>false<?cs /if ?>;
 </script>
-<script src="<?cs var:toroot ?>assets/js/docs.js" type="text/javascript"></script>
+<script src="<?cs var:toroot ?>assets/js/docs.js?v=2" type="text/javascript"></script>
 
 <script>
   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){