[visualizer]: Add types to visualizer output
[visualizer]: Add types to visualizer output

Review URL: https://codereview.chromium.org/1083083006

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#27922}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh