toolchain-utils: fix line-too-long lint warnings.

BUG=chromium:570458
TEST='crosperf/run_tests.sh' passes.

Change-Id: Ic4bd934dfb0b83e879a6f0c8a1ec121ac0a7de4b
Reviewed-on: https://chrome-internal-review.googlesource.com/243414
Commit-Ready: Rahul Chaudhry <rahulchaudhry@google.com>
Tested-by: Rahul Chaudhry <rahulchaudhry@google.com>
Reviewed-by: Caroline Tice <cmtice@google.com>
1 file changed