ref: aa04b6f9a7475e9d9457dfc5bf441faf15efc466
parent: 60f76593e344dcef468752b49cf79be19b5adb0d
author: Jerome Jiang <jianj@google.com>
date: Tue Mar 19 13:16:41 EDT 2019
Wrap macro definition in do-while(0) Change-Id: Id654a48d2fa40355552d7267e58461e6cc1c6998