Add op bench for caffe2 quantile op (#49598)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49598
Add op bench for caffe2 quantile op
Test Plan: `buck run mode/opt caffe2/benchmarks/operator_benchmark/c2:quantile_op_test -- --wramup_iterations=10000 --iterations=10000`
Reviewed By: radkris-git
Differential Revision: D25590085
fbshipit-source-id: 0db58ac87c595b2bf2958f6299a1bf2ccea019db
