This is the preparation change for using MINA SSHD client in JGit.
JGit uses sshd-osgi which is a shaded combination of sshd-common and
sshd-core to avoid issues with split packages which bite in an OSGI
runtime like Eclipse.
Feature: Issue 12599
Change-Id: Ieaf93abf2e26f3b720383279de2aaa970db51377