Convert sbox_integration_tests to run exclusively on Swarming

sandbox/win/sandbox_win.gypi

 # 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.
 
 {
   'target_defaults': {
     'variables': {
       'sandbox_windows_target': 0,
       'target_arch%': 'ia32',
     },
@@ skipping 351 matching lines @@
               'src',
               '../..',
             ],
           },
           'defines': [
             '<@(nacl_win64_defines)',
           ]
         },
       ],
     }],
+    ['test_isolation_mode != "noop"', {
+      'targets': [
+        {
+          'target_name': 'sbox_integration_tests_run',
+          'type': 'none',
+          'dependencies': [
+            'sbox_integration_tests',
+          ],
+          'includes': [
+            '../../build/isolate.gypi',
+          ],
+          'sources': [
+            '../sbox_integration_tests.isolate',
+          ],
+        },
+      ],
+    }],
   ],
 }