Add myself and glider to clang_update watchlist.

BUG=None
Review URL: https://codereview.chromium.org/12221167

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182164 0039d316-1c4b-4281-b951-d872f2087c98

WATCHLISTS

@@ -581,7 +581,9 @@
     'chromeos_webui': ['nkostylev+watch@chromium.org'],
     'clang_update': ['fischman+watch@chromium.org', 'ukai+watch@chromium.org',
                      'glotov+watch@chromium.org',
-                     'dmikurube+clang@chromium.org'],
+                     'dmikurube+clang@chromium.org',
+                     'eugenis+clang@chromium.org',
+                     'glider+clang@chromium.org'],
     'clipboard': ['dcheng@chromium.org'],
     'contacts': ['derat+watch@chromium.org'],
     'content': ['jam@chromium.org', 'joi+watch-content@chromium.org',