[jenkins-infra/jenkins-infra] 47a6fa: Update to latest evergreen backend

Branch: refs/heads/production Home: https://github.com/jenkins-infra/jenkins-infra Commit: 47a6fa20b3f64f92d96e1095727c31b8546dfb87 https://github.com/jenkins-infra/jenkins-infra/commit/47a6fa20b3f64f92d96e1095727c31b8546dfb87 Author: Baptiste Mathus Date: 2018-09-11 (Tue, 11

[jenkins-infra/jenkins-infra] 47a6fa: Update to latest evergreen backend

Branch: refs/heads/staging Home: https://github.com/jenkins-infra/jenkins-infra Commit: 47a6fa20b3f64f92d96e1095727c31b8546dfb87 https://github.com/jenkins-infra/jenkins-infra/commit/47a6fa20b3f64f92d96e1095727c31b8546dfb87 Author: Baptiste Mathus Date: 2018-09-11 (Tue, 11 Sep