[Sync] Move //sync to //components/sync.

WATCHLISTS

Index: WATCHLISTS
diff --git a/WATCHLISTS b/WATCHLISTS
index 5133bd87aca6c43784175c08b2c5097d55d02c99..27b676bc510373f1d9e5de13eeba2223c6f80e1d 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -819,10 +819,10 @@
                   '|^chrome/android/java/src/org/chromium/chrome/browser/sync/'\
                   '|^chrome/browser/sync/'\
                   '|^components/browser_sync/'\
+                  '|^components/sync/'\
                   '|^components/sync_bookmarks/'\
                   '|^components/sync_driver/'\
-                  '|^components/sync_sessions/'\
-                  '|^sync/',
+                  '|^components/sync_sessions/',
     },
     'syncfs': {
       'filepath': 'sync_file_system',