tree 06701020cc589a1d03947ae0c972bf6d89912599
parent 46ab0956d8e17cd5af8e6e83e88a773d9f6b2825
author Jean Chalard <jchalard@google.com> 1382406671 +0900
committer Ken Wakasa <kwakasa@google.com> 1382415556 +0900

Add a sequence number to SuggestedWords.

This allows testing for suggestion freshness in an asynchronous
suggestions world.

In-advance cherrypick of Ic76cd17568598d8534aec81e037f9e37f52eb6b4
because there's a merge conflict.

Bug: 11301597
Change-Id: I4aec765a975298fcac30a48dede73d2622224fe5