Skip flaky regress-crbug-160010 regression test.

R=ulan@chromium.org
BUG=chromium:160010
TEST=mjsunit/regress/regress-crbug-160010

Review URL: https://codereview.chromium.org/14908006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14614 ce2b1a6d-e550-0410-aec6-3dcde31c8c00