Restart the host when the third party auth certificate changes

remoting/remoting_test.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //remoting:test_support
       'target_name': 'remoting_test_support',
       'type': 'static_library',
@@ skipping 261 matching lines @@
         'host/heartbeat_sender_unittest.cc',
         'host/host_change_notification_listener_unittest.cc',
         'host/host_config_unittest.cc',
         'host/host_extension_session_manager_unittest.cc',
         'host/host_mock_objects.cc',
         'host/host_status_logger_unittest.cc',
         'host/ipc_desktop_environment_unittest.cc',
         'host/it2me/it2me_confirmation_dialog_proxy_unittest.cc',
         'host/it2me/it2me_native_messaging_host_unittest.cc',
         'host/linux/audio_pipe_reader_unittest.cc',
+        'host/linux/certificate_watcher_unittest.cc',
         'host/linux/unicode_to_keysym_unittest.cc',
         'host/linux/x_server_clipboard_unittest.cc',
         'host/local_input_monitor_unittest.cc',
         'host/mouse_cursor_monitor_proxy_unittest.cc',
         'host/mouse_shape_pump_unittest.cc',
         'host/native_messaging/native_messaging_reader_unittest.cc',
         'host/native_messaging/native_messaging_writer_unittest.cc',
         'host/pairing_registry_delegate_linux_unittest.cc',
         'host/pairing_registry_delegate_win_unittest.cc',
         'host/pin_hash_unittest.cc',
@@ skipping 330 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'remoting_unittests.isolate',
           ],
         },
       ],
     }],
   ] # end of 'conditions'
 }