Remove per-user preference when the user is removed

Test: new test for this
Change-Id: I335e82e29ec8f4c8da9def8b40153858cfd5bacb
2 files changed
tree: 18a2b86cf83513d64d5eeca4984607f7caa2da7a
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS