tree 2ac6a9af198284380e78ed88e190315db388d953
parent a87401054fc6960c4b0ac2d361ddbcf415350b33
author Julia Reynolds <juliacr@google.com> 1447792590 -0500
committer Julia Reynolds <juliacr@google.com> 1447798393 -0500

Notifications can only have 1 topic.

Change-Id: Id0ab6bca352b969431d4ba68167074e514a98980