Update the JIT complex type name to be consistent with Python (#51476)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/51476
Test Plan: Imported from OSS
Reviewed By: ezyang
Differential Revision: D26179237
Pulled By: anjali411
fbshipit-source-id: 6a5c60c8545eb42416583836b8038ceffd3f3244
