Allow interfaceClass USB device permissions

extensions/common/api/_behavior_features.json

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This features file defines switches used to control Extension behaviour,
 // typically whitelist configuration.
 // See chrome/common/extensions/api/_features.md to understand this file, as
 // well as feature.h, simple_feature.h, and base_feature_provider.h.
 
 {
@@ skipping 23 matching lines @@
       "B11A93E7E5B541F8010245EBDE2C74647D6C14B9",  // http://crbug.com/505879
       "FA01E0B81978950F2BC5A50512FD769725F57510"   // http://crbug.com/505879
     ]
   },
   "zoom_without_bubble": {
     "channel": "stable",
     "extension_types": "all",
     "whitelist": [
       "CBCC42ABED43A4B58FE3810E62AFFA010EB0349F"   // https://crbug.com/538252
     ]
+  },
+  "allow_usb_devices_permission_interface_class": {
+    "channel": "dev",
+    "extension_types": ["platform_app"],
+    "session_types": ["kiosk"] 
   }
 }