ref(toolbar): use new toolbar by default (#2666)

interface_config.js

 
     /**
      * This is a temporary feature flag used to gate access to the toolbox so it
-     * can be developed through smaller changesets. This feature flag will be
-     * removed at some point, as well as the old toolbox. This new toolbox will
-     * be horizontal and support for horizontal filmstrip will be removed,
-     * except in the case of interfaceConfig.filmStripOnly being true.
+     * can be developed through smaller changesets and set to false if bad bugs
+     * are found. This feature flag will be removed at some point, as well as
+     * the old toolbox. This new toolbox will be horizontal and the previous
+     * feature of supporting menu button ordering through interfaceConfig will
+     * be removed. Support for configuring which buttons display will remain.
      *
      * @type {boolean}
      */
-    _USE_NEW_TOOLBOX: false
+    _USE_NEW_TOOLBOX: true
 
     /**
      * Specify custom URL for downloading android mobile app.