Update isolate.gypi to support Swarming + move .isolate files

webrtc/modules/audio_device/audio_device.gypi

 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'targets': [
@@ skipping 218 matching lines @@
             '<(DEPTH)/testing/gtest.gyp:gtest',
           ],
           'sources': [
             'test/audio_device_test_func.cc',
             'test/audio_device_test_defines.h',
             'test/func_test_manager.cc',
             'test/func_test_manager.h',
           ],
         },
       ], # targets
-      'conditions': [
-        ['test_isolation_mode != "noop"', {
-          'targets': [
-            {
-              'target_name': 'audio_device_tests_run',
-              'type': 'none',
-              'dependencies': [
-                'audio_device_tests',
-              ],
-              'includes': [
-                '../../build/isolate.gypi',
-              ],
-              'sources': [
-                'audio_device_tests.isolate',
-              ],
-            },
-          ],
-        }],
-      ],
     }], # include_tests
   ],
 }