Add feed java sources to feed watchlist

Also add iwells to the feed watchlist.

Bug: 1071906
Change-Id: If274e470d9adda8995815122b2e12cd3348be04e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154851Reviewed-by: Ian Wells <iwells@chromium.org>
Reviewed-by: Dan H <harringtond@chromium.org>
Commit-Queue: Ian Wells <iwells@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760134}

WATCHLISTS

@@ -994,7 +994,8 @@
                   'third_party/blink/renderer/bindings/core/v8/origin_trial_features',
     },
     'feed': {
-      'filepath': 'chrome/browser/android/feed/|' \
+      'filepath': 'chrome/android/feed|' \
+                  'chrome/browser/android/feed/|' \
                   'components/feed/'
     },
     'feedback': {
@@ -2462,7 +2463,8 @@
              'dewittj+watch@chromium.org',
              'dimich+watch@chromium.org',
              'harringtond+watch@chromium.org',
-             'petewil+watch@chromium.org'],
+             'petewil+watch@chromium.org',
+             'iwells+watch@chromium.org'],
     'feedback': ['cros-monitoring-forensics+feedback@google.com'],
     'fileapi': ['kinuko+fileapi@chromium.org',
                 'nhiroki@chromium.org'],