ref: d85c8515e3be9dfe9c2602189ba7ce9535df6c7a
parent: 8d56220599bac036f544fb3e35b6be6f71eeb765
parent: a5c17a689fb9b7f04b62c084acebbad9b666efba
author: Jerome Jiang <jianj@google.com>
date: Mon Aug 27 13:54:52 EDT 2018
Merge "SVC: extend api to specify temporal id for each spatial layers."