Ignore flaky intl test.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22853004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/intl/intl.status

@@ -31,3 +31,6 @@ prefix intl
 date-format/resolved-options: FAIL
 date-format/timezone: FAIL
 general/v8Intl-exists: FAIL
+
+# TODO(jochen): The following test is flaky.
+overrides/caching: PASS || FAIL