[Sync] Don't enable synced notification app info by default

Core types don't respect off by default state yet.

TBR=petewil@chromium.org
BUG=339094, 280266

Review URL: https://codereview.chromium.org/146913004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247759 0039d316-1c4b-4281-b951-d872f2087c98

sync/syncable/model_type.cc

@@ -447,7 +447,8 @@ ModelTypeSet CoreTypes() {
 
   // The following are low priority core types.
   result.Put(SYNCED_NOTIFICATIONS);
-  result.Put(SYNCED_NOTIFICATION_APP_INFO);
+  // TODO(petewil): Add synced notification app info once crbug.com/339094 is
+  // fixed.
 
   return result;
 }