rev css version to clear browser caches
Change-Id: I46e04a02a0c010777ba01af28044999a1cbe1e10
diff --git a/tools/droiddoc/templates-sdk/head_tag.cs b/tools/droiddoc/templates-sdk/head_tag.cs
index 005bb8e..6cded2c 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?v=3" rel="stylesheet" type="text/css">
+<link href="<?cs var:toroot ?>assets/css/default.css?v=4" rel="stylesheet" type="text/css">
<?cs if:reference && !(reference.gms || reference.gcm || preview) ?>
<!-- FULLSCREEN STYLESHEET -->
