Add iclelland as a watcher of background sync code

WATCHLISTS

 # 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.
 
 # Watchlist Rules
 # Refer: http://dev.chromium.org/developers/contributing-code/watchlists
 
 # IMPORTANT: The regular expression filepath is tested against each path using
 # re.search, so it is not usually necessary to add .*.
 
@@ skipping 1241 matching lines @@
                         'piman+watch@chromium.org',
                         'sievers+watch@chromium.org',
                         'kalyan.kondapally@intel.com'],
     'auto_bisect': ['auto-bisect-reviews@chromium.org'],
     'autofill': ['bondd+autofillwatch@chromium.org',
                  'estade+watch@chromium.org',
                  'jdonnelly+autofillwatch@chromium.org',
                  'rouslan+autofill@chromium.org',
                  'vabr+watchlistautofill@chromium.org'],
     'automation': ['robertshield@chromium.org'],
-    'background_sync': ['jkarlin+watch@chromium.org','peter@chromium.org'],
+    'background_sync': ['jkarlin+watch@chromium.org','peter@chromium.org',
+                        'iclelland+watch@chromium.org'],
     'base': ['vmpstr+watch@chromium.org'],
     'base_allocator': ['dmikurube@chromium.org',
                        'wfh+watch@chromium.org'],
     'base_memory': ['gavinp+memory@chromium.org'],
     'base_win': ['grt+watch@chromium.org', 'wfh+watch@chromium.org'],
     'battery_status': ['timvolodine@chromium.org'],
     'blimp' : ['anandc+watch-blimp@chromium.org',
                'dtrainor+watch-blimp@chromium.org',
                'kmarshall+watch-blimp@chromium.org',
                'maniscalco+watch-blimp@chromium.org',
@@ skipping 430 matching lines @@
                        'kinuko+worker@chromium.org',
                        'horo+watch@chromium.org',
                        'falken@chromium.org' ],
     'blink_wtf': [ 'mikhail.pozdnyakov@intel.com',
                    'blink-reviews-wtf@chromium.org' ],
     'blink_xmlhttprequest': [ 'tyoshino+watch@chromium.org' ],
     'test_runner': [ 'jochen+watch@chromium.org',
                      'mlamouri+watch-test-runner@chromium.org' ],
   },
 }