benchmark

0de79002 - Added v2 workflows and prepare for the test run of the benchmark (#624)

Added v2 workflows and prepare for the test run of the benchmark (#624) Summary: This PR adds the initial V2 workflow and being ready to run the V2 suite manually. Pull Request resolved: https://github.com/pytorch/benchmark/pull/624 Reviewed By: erichan1 Differential Revision: D33003544 Pulled By: xuzhao9 fbshipit-source-id: 9039b4635b074cefc016da7fc176cb2184e8e1fa