Update WebRTC iOS bots for ninja

masters/master.tryserver.webrtc/master.cfg

 #!/usr/bin/env python
 #  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 #  Use of this source code is governed by a BSD-style license
 #  that can be found in the LICENSE file in the root of the source
 #  tree. An additional intellectual property rights grant can be found
 #  in the file PATENTS.  All contributing project authors may
 #  be found in the AUTHORS file in the root of the source tree.
 
 # These modules come from scripts, which must be in the PYTHONPATH.
@@ skipping 136 matching lines @@
         options=ninja_options,
         tests=tests,
         factory_properties={
             'gclient_env': {'GYP_DEFINES': 'host_arch=x64 target_arch=x64'}
         })
 }
 
 b_ios = {
     'name': 'ios',
     'factory':  mac().WebRTCFactory(
-        target='Debug',
+        target='Debug-iphoneos',
         slave_type='Trybot',
         options=ninja_options,
         factory_properties=mac_ios_factory_properties)
 }
 
 b_ios_rel = {
     'name': 'ios_rel',
     'factory': mac().WebRTCFactory(
-        target='Release',
+        target='Release-iphoneos',
         slave_type='Trybot',
         options=ninja_options,
         factory_properties=mac_ios_factory_properties)
 }
 
 b_mac_asan = {
     'name': 'mac_asan',
     'factory': mac().WebRTCFactory(
         target='Release',
         slave_type='Trybot',
@@ skipping 194 matching lines @@
 c['buildCacheSize'] = 100
 
 ####### PROJECT IDENTITY
 
 # The 'projectURL' string will be used to provide a link
 # from buildbot HTML pages to your project's home page.
 c['projectURL'] = 'http://dev.chromium.org/developers/testing/try-server-usage'
 
 # Buildbot master url:
 c['buildbotURL'] = 'http://build.chromium.org/p/tryserver.webrtc/'