[CLI] let OUnit arguments pass through
[CLI] let OUnit arguments pass through

Summary:
When executing unit tests, don't parse the arguments as they will be
parsed by OUnit.

Reviewed By: skcho

Differential Revision: D20669675

fbshipit-source-id: 897ec10ee

jvillard/infer,facebook/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,jvillard/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer