libyuv: Add GN bots for Win,Mac,Linux,Android

masters/master.client.libyuv/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 32-bit.
   {
     'master': 'Libyuv',
     'os': 'linux',
     'version': 'precise',
     'bits': '32',
     'builder': [
       'Linux32 Debug',
       'Linux32 Release',
     ],
     'hostname': 'vm321-m3',
   }
 ] + [
   # Linux 64-bit.
   {
     'master': 'Libyuv',
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
     'builder': [
       'Linux64 Debug',
       'Linux64 Release',
+      'Linux64 Debug (GN)',
+      'Linux64 Release (GN)',
       'Linux Asan',
       'Linux Memcheck',
       'Linux MSan',
       'Linux Tsan v2',
       'Linux UBSan',
       'Linux UBSan vptr',
       'Android Debug',
       'Android Release',
+      'Android Debug (GN)',
+      'Android Release (GN)',
       'Android Clang Debug',
       'Android ARM64 Debug',
     ],
     'hostname': 'vm%d-m3' % i,
   } for i in range(322, 324)
 ] + [
   # Mac.
   {
     'master': 'Libyuv',
     'os': 'mac',
     'version': '10.7',
     'bits': '64',
     'builder': [
       'Mac64 Debug',
       'Mac64 Release',
+      'Mac64 Debug (GN)',
+      'Mac64 Release (GN)',
       'Mac Asan',
       'iOS Debug',
       'iOS Release',
       'iOS ARM64 Debug',
       'iOS ARM64 Release',
     ],
     'hostname': 'vm694-m3',
   },
 ] + [
   # Windows.
@@ skipping 12 matching lines @@
       'Win64 Debug (VS2012)',
       'Win64 Release (VS2012)',
       'Win32 Debug (VS2013)',
       'Win32 Release (VS2013)',
       'Win64 Debug (VS2013)',
       'Win64 Release (VS2013)',
       'Win32 Debug (Clang)',
       'Win32 Release (Clang)',
       'Win64 Debug (Clang)',
       'Win64 Release (Clang)',
+      'Win64 Debug (GN)',
+      'Win64 Release (GN)',
     ],
     'hostname': 'vm324-m3',
   }
 ]