Not intended to be a long-term solution, but allows us to get off
the ground and download/commit the artifacts in an efficient way.
Bug: 188787081
Test: run script on test topic
Change-Id: Ia01929cd3614f18cdad1e1b23594dd473a11051e
Merged-In: Ia01929cd3614f18cdad1e1b23594dd473a11051e
(cherry picked from commit a874e95adc)