Disable long running tests:
- test-threads/ThreadJoinSelf in release and debug modes.
- regress/regress-1122 in debug mode.

Disable failing test:
- preparser/strict-octal-regexp (v8 issue 2265).

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11185073

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00