Make clean target obey --silent
Make clean target obey --silent

Reviewed By: jvillard

Differential Revision: D2938190

fb-gh-sync-id: f9edc13
shipit-source-id: f9edc13

jvillard/infer,facebook/infer,xennygrimmato/infer,ropas/infer,jsachs/infer,jsachs/infer,kageiit/infer,ropas/infer,kstreee/infer,jsachs/infer,kageiit/infer,kageiit/infer,jvillard/infer,kageiit/infer,kstreee/infer,kageiit/infer,jsachs/infer,blzq/infer,facebook/infer,kageiit/infer,blzq/infer,ryoon/infer,xennygrimmato/infer,facebook/infer,ryoon/infer,facebook/infer,jvillard/infer,blzq/infer,kstreee/infer,blzq/infer,ryoon/infer,facebook/infer,ryoon/infer,jsachs/infer,jvillard/infer,ropas/infer,ryoon/infer,xennygrimmato/infer,blzq/infer,jvillard/infer,kageiit/infer,facebook/infer,xennygrimmato/infer,kstreee/infer,blzq/infer,ropas/infer,xennygrimmato/infer,jvillard/infer,xennygrimmato/infer,ropas/infer,xennygrimmato/infer,ryoon/infer,kstreee/infer,kstreee/infer,jvillard/infer,jsachs/infer,facebook/infer,ropas/infer