ref: 95633d0e80bdd4f3ebaa9568ef9cf5b72426d138
parent: e5b76ba26e34515af7f9a15e06568440c8df39bc
author: Johann <johannkoenig@google.com>
date: Tue Sep 1 08:47:43 EDT 2015
Only build append_negative_gtest_filter when it is used. Change-Id: If6fec02fd8125b368ea83c99208575ac0d4a662b