Merge "[Provider Model] should not show the toggle's vertical separation if it is a guest user" into sc-v2-dev am: 0490247659 am: 9ac8ba02d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16357766

Change-Id: I3d9984b26ac8d1757b2106b53c7566e9028ce3eb