security_selinux: Allow caller to suppress owner remembering

Just like previous commit allowed to enable or disable owner
remembering for each individual path, do the same for SELinux
driver. This is going to be needed in the next commit.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NCole Robinson <crobinso@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>