tree e5cdffe635907a8712903ee4858b83e8800a3c69
parent 5d8a8e70ef93a2121a1634ad08f6a50565caf972
author Suharsh Sivakumar <suharshs@google.com> 1465500686 -0700
committer Suharsh Sivakumar <suharshs@google.com> 1465500686 -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: 1/5
Change-Id: I531c11f2bda5a374fc1db49a973b357e0b11e78b