use @SystemAPI for creating UserHandle

Bug: 137202333
Test: Build & Unit test
Merged-In: Id2a696bed6a80c92291c8f968f3aaa8db6bb83df
Change-Id: Id2a696bed6a80c92291c8f968f3aaa8db6bb83df
(cherry picked from commit 59d76e97bb3302353ede5f433ce8e8f4b4a31776)
2 files changed