Use UserHandle#getUid() taken a UserId

As API review feedback, the UserHandle#getUid() taken a UserHandle
will need to update. As PMS is inside the framework and getUid() with
an user ID are also widely used, replace the usage with other method
that takes an user ID.

Bug: 184735865
Test: m
Change-Id: I3c2728547f138bf52556cfaaa74b119fbeb064be
1 file changed