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: e9378e08

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



Change-Id: I5bfc981f639a3121813300e1d9a75f26df9a6525
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>