Change the output format of dump_classes_from_hprof
Change the output format of dump_classes_from_hprof

Summary:
The current format of dump_classes_from_hprof is a.b.c.d.class. this diff changes it to a/b/c/d.class
the reason to do this is that the interdexpass uses the latter representation.

Reviewed By: emma0303

Differential Revision: D9458533

fbshipit-source-id: dd6d95c7735bd300027b72a6f55c5e0a9d2a9fda

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