Mac Swarm Tests doesn't need to reboot.
Mac Swarm Tests doesn't need to reboot.

Make it not reboot, like Linux Swarm Tests and Windows Swarm Tests. Looks like
an oversight.

R=csharp@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/15848017

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@204576 0039d316-1c4b-4281-b951-d872f2087c98

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