Fix wrong user in personal profile

If the user is profile, it should use the current
user's profile parent to create the context instead
of always using the primary user(system user).

Bug: 264867495
Test: Manual test with work profile enabled, multi user flow, etc
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AvailableVirtualKeyboardFragmentTest
Change-Id: I66d1462441359c40dda2a38c7534500791db9c83