Work around a bug in test isolation code.

base/base.isolate

 # Copyright 2014 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.
 {
   'includes': [
     # While the target 'base' doesn't depend on ../third_party/icu/icu.gyp
     # itself, virtually all targets using it has to include icu. The only
     # exception is the Windows sandbox (?).
     '../third_party/icu/icu.isolate',
   ],
@@ skipping 76 matching lines @@
       },
     }],
     ['OS=="win" and component=="shared_library" and (CONFIGURATION_NAME=="Release" or CONFIGURATION_NAME=="Release_x64")', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/msvcp120.dll',
           '<(PRODUCT_DIR)/msvcr120.dll',
         ],
       },
     }],
+    # Workaround for https://code.google.com/p/swarming/issues/detail?id=211
+    ['asan==0 or lsan==0 or msan==0 or tsan==0', {
+      'variables': {},
+    }],
   ],
 }