Feature for triple review for 5.0.2 - enables GL by default for
some subset of very recent GL drivers, on Windows 7+.

Change-Id: I8777c84920b7cb7b19686e3cd8e943e6967a9a16
Reviewed-on: https://gerrit.libreoffice.org/18289Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>