[ConfigImpact] Adjust inter-proc analysis to add leaf calls
[ConfigImpact] Adjust inter-proc analysis to add leaf calls

Summary: If we record all callees with empty summary, we end up with FPs. This diff instead only records leaf calls. for non-leaf calls, we just load the summary.

Reviewed By: skcho

Differential Revision: D26606228

fbshipit-source-id: 77e76ee9e

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