Merge "Create new system API in UserHandle to get uid" am: 2173785652 am: 59a29b670e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1573942

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id31355ce04a22c27bb83793b5664a3f6358fd83d