submit-test-job.sh: Ignore status of lava.http-download action

Tux (but also probably LAVA) reports status of this action as failed even
if it was retried and eventually succeed. So, this leads to false positive.
We've seen such cases, e.g.
https://linaro.atlassian.net/browse/STG-5776

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I222e67722ed811897c3a547c593d8516ee59e754
1 file changed