ref: c98308a40d67231c67888709c93d114e3ce079a1
parent: 4e8e7975e13feb96d3a5d9ed543c6a7ffb0335df
parent: d5630bfb1426e2fb41bade551930b4b9e81f7b90
author: Paul Wilkins <paulwilkins@google.com>
date: Mon Jul 23 09:50:34 EDT 2018
Merge "Tweaks to determination of slide show groups."