old_contents: sap.ui.define([
     "sap/ui/core/mvc/Controller"
  ], function (Controller) {
     "use strict";
     return Controller.extend("de.demo.timepicker.controller.App", {
     });
  });
  
new_contents: sap.ui.define([
     "sap/ui/core/mvc/Controller",
     "sap/ui/model/json/JSONModel",
     "sap/ui/model/resource/ResourceModel"
  ], function (Controller, JSONModel, ResourceModel) {
     "use strict";
     return Controller.extend("de.demo.timepicker.controller.App", {
     });
  });
  
subject: Update App.controller.js