Skip crashing Harmony proxies unit test until underlying issue is fixed.

BUG=v8:1698
Review URL: http://codereview.chromium.org/7974006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9330 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/mjsunit.status

@@ -27,6 +27,9 @@
 
 prefix mjsunit
 
+# BUG(1698): Fix Harmony-related crashes in these tests
+harmony/proxies: SKIP
+
 # All tests in the bug directory are expected to fail.
 bugs: FAIL