Merge "Enables full-screen user switcher refactor flag." into tm-qpr-dev am:...

Merge "Enables full-screen user switcher refactor flag." into tm-qpr-dev am: 51305284 am: bfeaad24

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20038954



Change-Id: Ic70f0a7307c34e90d8e4f88b7cd5209659a7f075
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>