The validation job now requires type to be set, but we have several old
deliverables without it. Rather than edit all of them, set the default
to 'other' to avoid comparing None with a string.
Change-Id: I4e5a1d5f19dac8f6253bc7d6d040e1869c004d08
Signed-off-by: Doug Hellmann <doug@doughellmann.com>