tree 4a5bc079c56dcc12d1fc87c391dd34ee667a7869
parent e5ef28f50974320659e2ecfe3910718a9e60f317
author Lorenzo Colitti <lorenzo@google.com> 1425999576 +0900
committer Lorenzo Colitti <lorenzo@google.com> 1426836755 +0900

DHCP: Add a superclass for DhcpStateMachine.

This can be used to switch between different DHCP client
implementations. The caller can declare objects of type
BaseDhcpStateMachine, and call its methods, without needing to
care what implementation is in use.

Bug: 19704592
Change-Id: Icefad9b0d0f83b349681388b1fa16b5e2e37c042