UserManager interface changed, we need to handle it in ShadowUserManager
Bug: 204031530
Change-Id: Ieef930a5aff91f331d580752d3ebce9a4b500d27
Test: robotest
Update language to comply with Android's inclusive language guidance
See https://source.android.com/setup/contribute/respectful-code for reference
Bug: 161896447
Test: robotest & manual
Change-Id: I94969f6903d047b9bc41b1e8c14096c92c460b38