Make callgraph deserializer easier to use manually
Make callgraph deserializer easier to use manually

Summary:
Added api to get list of available methods under certain classes.
Also added regex validation.

Reviewed By: thezhangwei

Differential Revision: D30612212

fbshipit-source-id: c2989c93d886346f964db76c84a556a995f391c5

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex