Handle stopped users in onCleanupUser

This will also take care of the case when the user is removed.

Previously CE database wasn't closed after user was stopped.

Bug: 35988361
Test: Create u10 - switch - add account - switch to u0 - stop u10
Test: Create u10 - switch - add account - switch to u0 - remove u10
Change-Id: I6df61a8b1d00b28f2985d60861dd1b74e3e5942b