T66557700 Support default argument values of a method (#48863)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48863
Support default arguments when invoking a module via PyTorch Lite (`mobile::Module`).
Test Plan:
buck test mode/dbg //caffe2/test/cpp/jit:jit -- LiteInterpreterTest.MethodInvocation
buck test mode/dbg caffe2/test:mobile -- test_method_calls_with_optional_arg
Reviewed By: raziel, iseeyuan
Differential Revision: D25152559
fbshipit-source-id: bbf52f1fbdbfbc6f8fa8b65ab524b1cd4648f9c0
