Add app_list_unittests to the CQ steps on mac, windows and linux_aura.

It is currently a step only on linux_chromeos.

This is a follow-up to CL-27296002 that adds the test step to the waterfall.

BUG=169114, 166730, 224343
[email protected], [email protected]

Review URL: https://codereview.chromium.org/26484004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/commit-queue@229249 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed