set matching_heuristics as True by default
set matching_heuristics as True by default

Summary: Set matching_heuristics as True by default as detection methods usually add some prefix (e.g. "backbone.") for pre-trained weights

Reviewed By: wat3rBro

Differential Revision: D35519683

fbshipit-source-id: 77d3d53d556757c8f45b5ea3c2edec239e70a7a0

facebookresearch/detectron2,facebookresearch/detectron2,facebookresearch/detectron2