Fix demangle 't' issue in profiler (#40416)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40416
Fix demangle 't' that produces 'unsigned short'
Test Plan:
>>> import torch
>>> from torch.autograd.profiler import profile
>>>
>>> t = torch.rand(4, 5)
>>> with profile() as prof:
... t.t()
>>> print(prof.key_averages().table())
Differential Revision: D22179508
Pulled By: ilia-cher
fbshipit-source-id: b502af2f2547317c1a6447f2225d50b2376bfc76
