Update partitionmanager to 4.0.0

Summary: Changes available here (shared with kpmcore).

Test Plan: Successfully formatted a pendrive, listed my drives and partitions, read some S.M.A.R.T. data.

Reviewers: Triage Team, DataDrake

Reviewed By: Triage Team, DataDrake

Subscribers: DataDrake

Differential Revision: https://dev.getsol.us/D6196