[pytorch] fix -Wlogical-op-parentheses in SortingKthValue.cu (#38500)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38500
Reported by Clang:
```
caffe2/aten/src/ATen/native/cuda/SortingKthValue.cu:77:56: error: '&&' within '||' [-Werror,-Wlogical-op-parentheses]
|| THCNumerics<scalar_t>::isnan(v) && THCNumerics<scalar_t>::isnan(kValue));
~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
caffe2/aten/src/ATen/native/cuda/SortingKthValue.cu:77:56: note: place parentheses around the '&&' expression to silence this warning
|| THCNumerics<scalar_t>::isnan(v) && THCNumerics<scalar_t>::isnan(kValue));
^
( )
```
Test Plan:
```
buck build mode/opt -c fbcode.cuda_use_clang=true fblearner/flow/projects/dper:workflow
```
Reviewed By: ngimel
Differential Revision: D21578871
fbshipit-source-id: 83595152a370a4acbb2c3b5823dbae9c21485f06
