tree ad2b60508490b303a603c10fa6eb18b63dbb64bf
parent faa134b6af4e69de85688da7bd78783f23f6b636
author Suharsh Sivakumar <suharshs@google.com> 1465508095 -0700
committer Suharsh Sivakumar <suharshs@google.com> 1465508095 -0700

discovery: Add timestamp to discovery.Update.

The syncbase discovery service needs to be able to order updates from
global discovery and neighborhood discovery based on timestamps in the
case of a changed advertisement.
This change exposes timestamps from discovery.Update.

MultiPart: 4/5
Change-Id: Ie02e414623f0fd3f27d54cbea161b4387eb6aedf