For allowing the client to enable/disable the new range based header
data

Change-Id: I95da8ec3e48137fb75b9b22af3bb1296001ba9ca
Reviewed-on: https://gerrit.libreoffice.org/46095Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>