Restrict access to branch release-R125 to LTS Refresher group. BUG=b/504751393 Change-Id: I8219fb3016516edf369dc1825c4890b069a4cb94 Reviewed-on: https://cos-review.googlesource.com/c/All-Projects/+/149626 Reviewed-by: Derek Taylor <ddtaylor@google.com> Tested-by: Chenglong Tang <chenglongtang@google.com>