Add vecore@ to Cellular watchlist.

Change-Id: Ifd01cf24ba91ddd7ca0aaf0d9f599c37153a56d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1913119
Auto-Submit: Ryan Hansberry <hansberry@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Ryan Hansberry <hansberry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715742}

WATCHLISTS

@@ -2265,7 +2265,8 @@
                           'benchan+watch-cellular@chromium.org',
                           'ejcaruso+watch-cellular@chromium.org',
                           'jhawkins+watch-cellular@chromium.org',
-                          'khorimoto+watch-cellular@chromium.org'],
+                          'khorimoto+watch-cellular@chromium.org',
+                          'vecore+watch-cellular@google.com'],
     'chromeos_geolocation': ['alemate+watch@chromium.org'],
     'chromeos_lkgm': ['achuith+watch@chromium.org',
                       'bpastene+watch@chromium.org',