Handle multiple users when adding and rechecking overrides.

This is important for multi-user devices that have different
applications or versions installed for each user.

Bug: 190483583
Test: atest FrameworksServicesTests:CompatConfigTest
Test: atest FrameworksServicesTests:OverrideValidatorImplTest
Test: atest FrameworksServicesTests:PlatformCompatTest
Test: atest PlatformCompatGating:PlatformCompatPermissionsTest
Change-Id: I74c061001efbbd9699087e603a580cb2538891ec