Summary:
Projects built in debug profile don't always link to debug runtime.
Allowing opting out the debug runtime to make rocksdb get along well
with other projects.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4317

Differential Revision: D9518038

Pulled By: sagar0

fbshipit-source-id: 384901a0d12b8de20759756e8a19b4888a27c399