[autotest] restrict performance suite to run on tot
Performance suite is a new stuie, not available on R40 and R39.
Restrict it to tot until it was backported.
BUG=chromium:439653,chromium:444348
TEST=None
Change-Id: I3128749b4937837acb37ca82879f711a2f2b3457
Reviewed-on: https://chromium-review.googlesource.com/237082
Reviewed-by: Mungyung Ryu <mkryu@google.com>
Commit-Queue: Fang Deng <fdeng@chromium.org>
Trybot-Ready: Fang Deng <fdeng@chromium.org>
Tested-by: Fang Deng <fdeng@chromium.org>
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index e10fa74..cc4ae60 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -751,6 +751,6 @@
[Performance]
run_on: nightly
suite: performance
-branch_specs: >=tot-2
+branch_specs: ==tot
pool: suites
file_bugs: True