Apache Commons Lang 3.3.1 at least requires Java 1.6 and non debug version

Change-Id: If6526a9170f90227fff6b148f24a0dc99ff42941
Reviewed-on: https://gerrit.libreoffice.org/12116
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>