Add more users to the new feed watchlist

Change-Id: I8ef8ec496ab0fb8857db60d1d8aeb55212b23bcb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033542
Commit-Queue: Peter Williamson <petewil@chromium.org>
Commit-Queue: Dan H <harringtond@chromium.org>
Auto-Submit: Peter Williamson <petewil@chromium.org>
Reviewed-by: Dan H <harringtond@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737463}

WATCHLISTS

@@ -2414,7 +2414,11 @@
     'feature_policy': ['loonybear@chromium.org',
                        'iclelland+watch@chromium.org',
                        'jmedley+watch@chromium.org'],
-    'feed': ['petewil+watch@chromium.org'],
+    'feed': ['carlosk+watch@chromium.org',
+             'dewittj+watch@chromium.org',
+             'dimich+watch@chromium.org',
+             'harringtond+watch@chromium.org',
+             'petewil+watch@chromium.org'],
     'feedback': ['cros-monitoring-forensics+feedback@google.com'],
     'fileapi': ['kinuko+fileapi@chromium.org',
                 'nhiroki@chromium.org'],