Add pyauto search engine tests to be run on all platforms.
Add pyauto search engine tests to be run on all platforms.

Review URL: http://codereview.chromium.org/3452015

git-svn-id: http://src.chromium.org/svn/trunk/src@59867 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: cc866748c51289b4bdb77568bd3b89e7b0eeb1a5
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser