Merge "Show indicator if guest creation is not allowed" into sc-dev am:...

Merge "Show indicator if guest creation is not allowed" into sc-dev am: 5f8b9db6 am: 2ea4e5d6 am: 9f464e8c am: 2a36f91d

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

Change-Id: Ie1e39d80e5c44ae570c5a94d5d7d11d8bfd47184