[pinpoint] Retry job.put() on ndb error.
[pinpoint] Retry job.put() on ndb error.

Bug: chromium:813883
Change-Id: Ic728c29ddb3a6ba6b39585ce64048ee4dcd9e2e5
Reviewed-on: https://chromium-review.googlesource.com/959725
Reviewed-by: Annie Sullivan <259f984aa3b2892f452a20facda15d22b94ee4f8@chromium.org>
Reviewed-by: Simon Hatch <490a224d89645d3fea983d7189ce51bde0a00c1d@chromium.org>
Commit-Queue: David Tu <baa605d781958521249fdcf7bad76b01d943134a@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult