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 am: e71cf72a

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



Change-Id: I7402e2e236d571dcd13d4ba91ec6bc69c57b9470
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>