Download the spec harness on the rest of the spec bots.
Download the spec harness on the rest of the spec bots.

Only leaving out the ARM HW bot, where the relevant files are tar'ed
and transmitted over to the ARM HW bots, along with the built-binaries.

Followup to 13231.

BUG=none
R=bradnelson@google.com

Review URL: https://codereview.chromium.org/293133006

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@13233 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client