Remove keystore entries when app data cleared

When an application's user data is cleared, the keystore entries need to
be cleared as well. Previously we were only clearing entries when the
application was uninstalled for all users. Now we cover the case of
multiuser as well.

(cherry picked from commit 6fd1c85d)

Bug: 8566369
Change-Id: Id4df5e50661b676b8f6507b915764400982c01a0