Run snapshot_unittests on the clang/tot linux bots.

It already runs on the regular linux main waterfall and memory bots.

TBR=hans

Bug: 843511
Change-Id: I3f5f97694291f4143614fb2b72344dda31cf1556
Reviewed-on: https://chromium-review.googlesource.com/1091141
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565360}
3 files changed