Without the MAR env setting the python script only gets two command line
arguments, the script name and all the parameters as one string.

If someone knows a better fix I'm open to other suggestions.

Change-Id: I1acc4a74892d657c1c156b8953a5ab8a166aea92
Reviewed-on: https://gerrit.libreoffice.org/40778Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>