update run_remote_tests to point at usr/local/build/autotest

CQ-DEPEND=CL:I836d933e8a828177304dd10a74841138a9502aff
BUG=chromium:256906
TEST=See CQ-DEPEND'ed CL. Also, tested backward compatibility of
run_remote_tests against
pre-CL:I836d933e8a828177304dd10a74841138a9502aff builds.
Change-Id: Iaf9f4d54d73e45973a0edc775d6db967cb71446d
Reviewed-on: https://chromium-review.googlesource.com/62877
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
1 file changed