Merge "Add UserUtils class" into rvc-dev am: a5a22153c1 am: 29de8489dd am: 77ea2fc89a am: b55ddcffce am: 3f1ac83d3d am: b018b0d175 am: 8d9037066f

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/23694745

Change-Id: Ic0e661cfab116995f0bcb7cdc5bf4344bf88b587
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>