Skip DataIO tests relying on LevelDB if compiled without it (#42169)
Summary:
Found while trying to get RocM Caffe2 job green
Pull Request resolved: https://github.com/pytorch/pytorch/pull/42169
Reviewed By: seemethere
Differential Revision: D22791896
Pulled By: malfet
fbshipit-source-id: 9df6233876aec5ead056365499bab970aa7e8bdc
