Add back browser_tests, interactive_ui_tests and unit_tests on OSX Swarm canary.
Add back browser_tests, interactive_ui_tests and unit_tests on OSX Swarm canary.

I intend to fix them soon so add them back even if they are failing. At least
now that the Swarm bot runs under launchd, the tests have at least a chance to
pass one day.

TBR=csharp@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/16471003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@204327 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build