Merge "Show indicator if guest creation is not allowed" into sc-dev am: 5f8b9db6 am: 2ea4e5d6 am: 57bd3505 am: 215afe5b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15474473

Change-Id: I59f0b34a20bdb9c39fd22b952208ff4bf79a687e