Summary:
When running `make rocksdbjava V=1`, it currently does
not print out the original command but something odd instead:
mkdir -p jl/db
This patch tries to fix this issue.
Test Plan: make rocksdbjava V=1
Reviewers: igor, sdong, IslamAbdelRahman, meyering
Reviewed By: meyering
Subscribers: dhruba, leveldb
Differential Revision: https://reviews.facebook.net/D47061