Merge "Make getAliveUsers() and getUsers() as @TestApi." into udc-dev am:...

Merge "Make getAliveUsers() and getUsers() as @TestApi." into udc-dev am: 7c8d60cd am: 2273659c am: 7016b445 am: 37e518a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22995969



Change-Id: Iaf993c8ad26d85930c9619ff38d286ed5d135618
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>