Update aaa_base to rev 473 via SR 827591
https://build.opensuse.org/request/show/827591
by user oertel + dimstar_suse
- Update to version 84.87+git20200818.b9dd70f:
* backup-rpmdb: exit if zypp.pid is there and running
(bug#1161239)
- Update to version 84.87+git20200818.5220a5f:
* profile and csh.login: on s390x set TERM to dumb on serial console
* etc/profile add some missing ;; in case esac statements
* refresh_initrd call modprobe as /sbin/modprobe (bug#1011548)
* DIR_COLORS: merge TERM entries with list from (bug#1006973)
* sort TERM entries in etc/DIR_COLORS
* DIR_COLORS add TERM rxvt-unicode-256color (bug#1006973)
* Rename path() to _path() to avoid using a general name.