Summary:
This property is needed to run the child jobs on the same host and thus propagate the child job status back to the parent's.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5456

Reviewed By: yancouto

Differential Revision: D15824382

Pulled By: maysamyabandeh

fbshipit-source-id: 42f2efbedaa3a8b399281105f0ce793c1c9a6191