Move elements/ to ui/

appengine/swarming/ui/res/imp/stats/stats-overview.html

 <!--
   Copyright 2016 The LUCI Authors. All rights reserved.
   Use of this source code is governed under the Apache License, Version 2.0
   that can be found in the LICENSE file.
 
   For more on Google Charts and the data format, see https://developers.google.com/chart/interactive/docs/datatables_dataviews
 -->
 
 <link rel="import" href="/res/imp/bower_components/polymer/polymer.html">
 <link rel="import" href="/res/imp/bower_components/iron-ajax/iron-ajax.html">
@@ skipping 110 matching lines @@
             time = time.split(",");
             // Parse and store.
             r.c[0].v = new Date(Date.UTC(...time))
           }
         });
         return _response.table;
       },
     });
   </script>
 </dom-module>