Fix some lint warning in suite_runner*.

BUG=chromium:632113
TEST=run_tests

Change-Id: I9fe070420153f5ae175db86961c95b1686ea7c8f
Reviewed-on: https://chromium-review.googlesource.com/421107
Reviewed-by: Caroline Tice <cmtice@chromium.org>
Commit-Queue: Luis Lozano <llozano@chromium.org>
Tested-by: Luis Lozano <llozano@chromium.org>
2 files changed