WebRTC: Fix incorrect recipe for client.webrtc iOS framework bot.

masters/master.client.webrtc/master_mac_cfg.py

 # Copyright (c) 2012 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.
 
 from buildbot.schedulers.basic import SingleBranchScheduler
 
 from master.factory import annotator_factory
 from master.factory import remote_run_factory
 
 import master_site_config
@@ skipping 95 matching lines @@
       'recipe': 'webrtc/ios_api_framework',
     },
   ]
 
   c['builders'].extend([
       {
         'name': spec['name'],
         # remote_run is not working for the webrtc/ios recipe: crbug.com/637666.
         'factory': m_annotator.BaseFactory(spec['recipe'])
                    if 'recipe' in spec and spec['recipe'] == 'webrtc/ios'
-                   else m_remote_run('webrtc/standalone'),
+                   else m_remote_run(spec.get('recipe', 'webrtc/standalone')),
         'notify_on_missing': True,
         'category': spec.get('category', 'compile|testers'),
         'slavebuilddir': spec['slavebuilddir'],
       } for spec in specs
   ])