[milo] update test presentation config to group by test_suite R: jmadill,ynovikov Bug: chromium:1249703 Change-Id: I37ea518a61df324750c7e8d6f18f0446b6316324 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3207826 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>