libyuv: Replace Golo VMs with GCE

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': [
+      'Linux32 Debug',
+      'Linux32 Release',
       'Linux64 Debug',
       'Linux64 Release',
       # TODO(kjellander): Add when trybot is green (crbug.com/625889).
       #'Linux GCC',
       'Linux Asan',
       'Linux Memcheck',
       'Linux MSan',
       'Linux Tsan v2',
       'Linux UBSan',
       'Linux UBSan vptr',
       'Android Debug',
       'Android Release',
       'Android Clang Debug',
       'Android ARM64 Debug',
       'Android32 x86 Debug',
       'Android64 x64 Debug',
       'Android32 MIPS Debug',
     ],
-    'hostname': host,
-  } for host in list('vm%d-m3' % i for i in range(322, 324)) + ['slave90-c3']
+    'hostname': 'slave%d-c3' % i,
+  } for i in range(174,177) + [90]
 ] + [
   # Linux 64-bit machine with Android device connected.
   {
     'master': 'Libyuv',
     'os': 'linux',
     'version': 'trusty',
     'bits': '64',
     'builder': [
       'Android Tester ARM32 Debug (Nexus 5X)',
       'Android Tester ARM32 Release (Nexus 5X)',
@@ skipping 32 matching lines @@
       'Win64 Debug (VS2013)',
       'Win64 Release (VS2013)',
       'Win32 Debug (Clang)',
       'Win32 Release (Clang)',
       'Win64 Debug (Clang)',
       'Win64 Release (Clang)',
     ],
     'hostname': 'vm%d-m3' % i,
   } for i in [32, 324]
 ]