This will make RESULT lines still come out after we add a second JSON writer implementation. Bug: chromium:1029452 Change-Id: I5cba3151c21df2901f19305e9b71bc5c9638a0ae Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165399 Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Patrik Höglund <phoglund@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30208}