[Distributed tests] Add skip for odd world_size condition
As per https://github.com/pytorch/pytorch/issues/74995, the tests
needs to be skipped for odd WORLD_SIZE
Signed-off-by: Jagadish Krishnamoorthy <jagdish.krishna@gmail.com>
Fixes #74995
Pull Request resolved: https://github.com/pytorch/pytorch/pull/76136
Approved by: https://github.com/kumpera, https://github.com/wayi1
