Equalize CV-CUDA Backend

[justincdavis]

Summary

Implements the Equalize transform for CV-CUDA backend using cvcuda.histogrameq

Testing

python3 -m pytest test/test_transforms_v2.py::TestEqualize

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/vision/9292

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