"Tweaks for emitting JSON"
https://chromium-review.googlesource.com/c/deps/inspector_protocol/+/2071518

Change-Id: Ie05ff1390a5340e15c21788c58e8171cb442da10
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2073205Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Johannes Henkel <johannes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66509}