Don't run single process phishing tests on official builders since they disable that mode.

BUG=316709
R=avi@chromium.org

Review URL: https://codereview.chromium.org/67883004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235419 0039d316-1c4b-4281-b951-d872f2087c98
Disable PhishingClassifierTest.DisableDetection on Mac 10.8. No idea why it fails just there flakily.

R=avi@chromium.org

Review URL: https://codereview.chromium.org/74123002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235420 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235420