tree ebb7db4b8e2325780b671786f0ccb947357e3ff6
parent 500a98a8eef31eba01863eb2d15ba085d597c10d
author Erik Kline <ek@google.com> 1424343075 +0900
committer Erik Kline <ek@google.com> 1425267335 +0900

Refactor NetworkUtils interaction with DHCP.

Separate out starting DHCP (DISCOVER) and RENEW operations from fetching
the results.  Add NetworkUtils.getDhcpResults(), to enable quick checks
of any available DhcpResults without extraneous interaction with the
DHCP daemon.

Bug: 19422416
Change-Id: I58808e529dda8429737e749f5caef56d923c0809