toolchain-utils: disable eval-used lint warning.

It looks ok in this one case!!

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

Change-Id: I96be23784f1f6efc97a7d20e002ad9add8043f86
Reviewed-on: https://chrome-internal-review.googlesource.com/248315
Commit-Ready: Rahul Chaudhry <rahulchaudhry@google.com>
Tested-by: Rahul Chaudhry <rahulchaudhry@google.com>
Reviewed-by: Caroline Tice <cmtice@google.com>
1 file changed