Fix passing of --special-command flag in test wrapper.
Fix passing of --special-command flag in test wrapper.

R=jkummerow@chromium.org

Review URL: http://codereview.chromium.org/8056004

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@9450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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