Medium sized improvements to bot-list and task-list

appengine/swarming/elements/res/imp/botlist/bot-list-summary.html

 <!--
   This in an HTML Import-able file that contains the definition
   of the following elements:
 
     <bot-list-summary>
 
 
   Usage:
 
     <bot-list-summary></bot-list-summary>
@@ skipping 171 matching lines @@
           return "status:" + filter;
         } else {
           return "task:" + filter;
         }
       },
 
       _makeURL: function(filter, preserveOthers) {
         if (preserveOthers) {
           var fstr = encodeURIComponent(this._getFilterStr(filter));
           if (window.location.href.indexOf(fstr) === -1) {
-            return window.location.href + "&filters=" + fstr;
+            return window.location.href + "&f=" + fstr;
           }
           // The filter is already on the list.
           return undefined;
         }
         var params = {
-          sort: [this.sort],
-          columns: this.columns,
-          verbose: [this.verbose],
+          s: [this.sort],
+          c: this.columns,
+          v: [this.verbose],
         }
         if (filter) {
-          params["filters"] = [this._getFilterStr(filter)];
+          params["f"] = [this._getFilterStr(filter)];
         }
 
         return window.location.href.split('?')[0] + '?' + sk.query.fromParamSet(params);
       },
 
       _recount: function() {
         var curr = {
           all: 0,
           alive: 0,
           busy: 0,
@@ skipping 18 matching lines @@
           } else {
             curr.alive++;
           }
           curr.all++;
         }.bind(this));
         this.set("_currently_showing", curr);
       }
     });
   </script>
 </dom-module>