Skip test for known failure tracked by issue 1845.
Skip test for known failure tracked by issue 1845.

R=keuchel@chromium.org
BUG=v8:1845
TEST=mjsunit/harmony/proxies-example-membrane

Review URL: http://codereview.chromium.org/8698017

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@10073 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh