Fix commit queue to actually abort on import error.

BUG=306111
[email protected],[email protected],[email protected]

Review URL: https://codereview.chromium.org/26933002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/commit-queue@228037 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed