Merge "Hide multi user switcher on keyguard screen when disabled" into tm-dev...

Merge "Hide multi user switcher on keyguard screen when disabled" into tm-dev am: 78ad1dd6 am: cf3641b0 am: c756e520

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18798706



Change-Id: I4d47087d141d3e3d4d0040180021978128624243
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>