WebRTC: Move iOS Simulator bots to client.webrtc + add trybots

masters/master.tryserver.webrtc/slaves.cfg

 # 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.
 
 slaves = [
   # Linux.
   {
     'master': 'WebRTCTryServer',
     'os': 'linux',
     'version': 'precise',
@@ skipping 68 matching lines @@
       'mac_asan',
       'mac_rel',
       'mac_x64',
       'mac_x64_gn',
       'mac_x64_gn_rel',
       'mac_x64_rel',
       'ios',
       'ios_rel',
       'ios_arm64',
       'ios_arm64_rel',
+      'ios32_sim',
+      'ios64_sim',
     ],
     'hostname': 'vm%d-m4' % i,
   } for i in range(738, 741) + range(818, 820) + [665, 748]
 ] + [
   # Mac bare-metal machines with audio devices and headsets.
   {
     'master': 'WebRTCTryServer',
     'os': 'mac',
     'version': '10.8',
     'bits': '64',
@@ skipping 36 matching lines @@
     'master': 'WebRTCTryServer',
     'os': 'win',
     'version': 'win7',
     'bits': '64',
     'builder': [
       'win_baremetal',
     ],
     'hostname': 'build23-a4',
   }
 ]