Don't run AUTest for tryjobs.

That stage doesn't work at the moment because image paths used for tryjobs
aren't structured the same as for non-tryjobs.

BUG=chromium:390828
TEST=Ran a butterfly-paladin trybot with --hwtest turned on.

Change-Id: I8bfa475fc86754bf8e2e0f2b126749d53c599701
Reviewed-on: https://chromium-review.googlesource.com/208795
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
1 file changed