Enable auto_reboot on ClangToTMacASan tester
Enable auto_reboot on ClangToTMacASan tester

It seems the tests don't terminate cleanly, causing subsequent
builds to time out on this machine. Let's see if this helps.

BUG=483507

Review URL: https://codereview.chromium.org/1113413002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@295109 0039d316-1c4b-4281-b951-d872f2087c98

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