archive_hwqual: Allow custom private key
Test images now may have ssh keys generated at build time. The assumption that
every test image shares the same key, 'testing_rsa' is no longer sound.
BUG=None
TEST=Trybot for rambi-a-release-group
CQ-DEPEND=CL:297023
Change-Id: Id1292173540cc34f59baa7118422d254152519bb
Reviewed-on: https://chromium-review.googlesource.com/297024
Commit-Ready: Daniel Wang <wonderfly@google.com>
Tested-by: Daniel Wang <wonderfly@google.com>
Reviewed-by: Simran Basi <sbasi@chromium.org>
1 file changed
