Fix adb invocations (#202)

lib/units/device/plugins/connect.js

@@ -6,6 +6,7 @@ var util = require('util')
 
 var syrup = require('@devicefarmer/stf-syrup')
 var Promise = require('bluebird')
+var DeviceClient = require('@devicefarmer/adbkit/dist/src/adb/DeviceClient').default
 
 var logger = require('../../../util/logger')
 var grouputil = require('../../../util/grouputil')
@@ -22,6 +23,7 @@ module.exports = syrup.serial()
   .dependency(require('./util/urlformat'))
   .define(function(options, adb, router, push, group, solo, urlformat) {
     var log = logger.createLogger('device:plugins:connect')
+    var deviceClient = new DeviceClient(adb, options.serial)
     var plugin = Object.create(null)
     var activeServer = null
 
@@ -34,7 +36,7 @@ module.exports = syrup.serial()
           return resolve(plugin.url)
         }
 
-        var server = adb.createTcpUsbBridge(options.serial, {
+        var server = deviceClient.createTcpUsbBridge({
           auth: function(key) {
             var resolver = Promise.defer()