Enable C++11 tests on windows.

This also adds a landmine as windows bots need a clobber.

BUG=400033
LOG=n
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/457413003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00