Use the proper name for the app info protobuf to mach the sync server

BUG=339094

Review URL: https://codereview.chromium.org/149723003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247831 0039d316-1c4b-4281-b951-d872f2087c98

sync/syncable/model_type.cc

@@ -781,7 +781,7 @@ std::string ModelTypeToRootTag(ModelType type) {
     case SYNCED_NOTIFICATIONS:
       return "google_chrome_synced_notifications";
     case SYNCED_NOTIFICATION_APP_INFO:
-      return "google_chrome_synced_notification_app_info";
+      return "google_chrome_app_info";
     case DEVICE_INFO:
       return "google_chrome_device_info";
     case EXPERIMENTS: