docs only.

use normal DOM mod instead of jquery to load the lists.js
file because jquery was appending GET parameters that
eliminated any caching of the file.

Change-Id: I926ef8c164ba81d040256accaf78883807c3b57e

tools/droiddoc/templates/assets/android-developer-docs.js

@@ -50,7 +50,7 @@ addLoadEvent( function() {
   var lists = document.createElement("script");
   lists.setAttribute("type","text/javascript");
   lists.setAttribute("src", toRoot+"reference/lists.js");
-  $("head").append($(lists));
+  document.getElementsByTagName("head")[0].appendChild(lists);
 } );
 
 function setToRoot(root) {