Summary:
LogDevice uses DeterministicSchedule and JsonTestUtil from Folly make
these available in the installed library targets so that LogDevice can
compile against installed folly rather than referencing sources
directly.
Pull Request resolved: https://github.com/facebook/folly/pull/1071

Reviewed By: yfeldblum

Differential Revision: D14531954

Pulled By: calebmarchent

fbshipit-source-id: 9bd343210451ad6b2e171c6ddddb7d8677fa6290