The RegexMatcher.find(status) is new since icu 55 and this works even
on the old releases thus revert there to the available albeit slower
call.

Change-Id: I964c10efd15515b04ac9037cda3b5b309910baf5
Reviewed-on: https://gerrit.libreoffice.org/69311
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>