Fix adbkit API invocations (#524)

Update Adbkit to 3.2.3

lib/util/devutil.js

@@ -3,6 +3,7 @@ var util = require('util')
 var split = require('split')
 var Promise = require('bluebird')
 var androidDeviceList = require('android-device-list')
+var deviceClient = require('@devicefarmer/adbkit').DeviceClient
 
 var devutil = module.exports = Object.create(null)
 
@@ -71,7 +72,8 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
     })
   }
 
-  return adb.shell(serial, 'ps 2>/dev/null')
+  var client = deviceClient(adb, serial)
+  return client.shell('ps 2>/dev/null')
      .then(findProcess)
      .then(function(res) {
        // return pids if process can be found in the output of 'ps' command
@@ -81,7 +83,7 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
        }
        // otherwise try to run 'ps -elf'
        else {
-         return adb.shell(serial, 'ps -lef 2>/dev/null')
+         return client.shell('ps -lef 2>/dev/null')
            .then(findProcess)
            .then(function(res) {
               return Promise.resolve(res.pids)