Add filesapp-reviews group

Change-Id: I5bc8b67bae8ecca593efa977270374ce6bf8fd9d
Tbr: sashab@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/956649
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Reviewed-by: Sasha Morrissey <sashab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542259}

WATCHLISTS

@@ -1880,7 +1880,8 @@
                       'shimazu+worker@chromium.org'],
     'blink_wtf': ['blink-reviews-wtf@chromium.org',
                   'mikhail.pozdnyakov@intel.com'],
-    'blink_xml': ['dominicc+watchlist@chromium.org', 'joelhockey@chromium.org'],
+    'blink_xml': ['dominicc+watchlist@chromium.org',
+                  'joelhockey+watch@chromium.org'],
     'bookmarks': ['tfarina@chromium.org'],
     'bottombar': ['donnd+watch@chromium.org',
                   'mdjones+watch@chromium.org'],
@@ -2018,7 +2019,8 @@
                 'nhiroki@chromium.org',
                 'tzik@chromium.org'],
     'filebrowse': ['rginda+watch@chromium.org'],
-    'filesapp': ['fukino+watch@chromium.org',
+    'filesapp': ['filesapp-reviews@chromium.org',
+                 'fukino+watch@chromium.org',
                  'oka+watch@chromium.org',
                  'yamaguchi+watch@chromium.org'],
     'fsp': ['mtomasz+watch@chromium.org'],