libyuv: Replace Golo VMs with GCE

masters/master.client.libyuv/slaves.cfg

Index: masters/master.client.libyuv/slaves.cfg
diff --git a/masters/master.client.libyuv/slaves.cfg b/masters/master.client.libyuv/slaves.cfg
index fb06708f4c3209f83bebb65e470bb0c0bf6c718e..bd27c048fb824dc564773b02b4b9331c86e2a743 100644
--- a/masters/master.client.libyuv/slaves.cfg
+++ b/masters/master.client.libyuv/slaves.cfg
@@ -3,19 +3,6 @@
 # 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',
@@ -23,6 +10,8 @@ slaves = [
     'version': 'precise',
     'bits': '64',
     'builder': [
+      'Linux32 Debug',
+      'Linux32 Release',
       'Linux64 Debug',
       'Linux64 Release',
       # TODO(kjellander): Add when trybot is green (crbug.com/625889).
@@ -41,8 +30,8 @@ slaves = [
       '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.
   {