[ScreenshotZ] Add watchlist for image_editor

Bug: 1024586
Change-Id: I5f153b14edfe3265cd6724a082494bd8cbf0d4b6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2048847Reviewed-by: Tanya Gupta <tgupta@chromium.org>
Reviewed-by: Kristi Park <kristipark@chromium.org>
Commit-Queue: Jeffrey Cohen <jeffreycohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#741116}

WATCHLISTS

@@ -1087,6 +1087,10 @@
       'filepath': 'base/i18n/|base/string|l10n|icu|'\
                   'locale_settings|encoding',
     },
+    'image_editor': {
+      'filepath': 'chrome/browser/image_editor'\
+                  'chrome/android/modules/image_editor',
+    },
     'incident_reporting': {
       'filepath': 'chrome/browser/safe_browsing/incident_reporting',
     },
@@ -2457,6 +2461,10 @@
     'hats': ['cros-monitoring-forensics+hats@google.com'],
     'headless': ['headless-reviews@chromium.org'],
     'i18n': ['jshin+watch@chromium.org'],
+    'image_editor': ['tgupta+watch@chromium.org',
+                     'jeffreycohen+watch@chromium.org',
+                     'kristipark+watch@chromium.org',
+                      'chrome-sharing-eng+watch@google.com'],
     'incident_reporting': ['grt+watch@chromium.org'],
     'indexed_db': ['jsbell+idb@chromium.org',
                    'dmurph+watching-idb@chromium.org'],