Fix alr tests config

BUG=chromium:760900,webrtc:8032

Review-Url: https://codereview.webrtc.org/3007863003
Cr-Original-Commit-Position: refs/heads/master@{#19626}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 2ae19db7d0b7a47b05074634f258ada05d157814
1 file changed