Enable the fdroid flavor for the twinone locker build process
Note: requires perl to be installed on the server because of the required multiline in-place modification. Follow-up of https://gitlab.com/fdroid/fdroiddata/merge_requests/636
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Note: requires perl to be installed on the server because of the required multiline in-place modification. Follow-up of https://gitlab.com/fdroid/fdroiddata/merge_requests/636