Skip presubmit errors caused by lint update.

Prevent presubmit errors when merging to the 3.25 branch.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/287623004

git-svn-id: https://v8.googlecode.com/svn/branches/3.25@21293 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/3.25' into 3.25