autotest: Run wifi_perf suite for branches >=R34

We'll need to port the suite back to earlier releases if we want to
run performance tests against those branches.

BUG=chromium:336118
TEST=None

Change-Id: I46d79c85d01f625aad25964a4b7fab91127e7b36
Reviewed-on: https://chromium-review.googlesource.com/183175
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
Tested-by: Christopher Wiley <wiley@chromium.org>
1 file changed