[integration] Support buck integration with compilation db when passing @mode/... arguments
[integration] Support buck integration with compilation db when passing @mode/... arguments

Reviewed By: jvillard

Differential Revision: D5963497

fbshipit-source-id: 8af9f9c

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