This CL adds a table to the right side of the each
timeline-tracks to display statistics about the log
events. Double clicking on an event type notifies other
panels about the selected log events with the selected type.

Bug: v8:10644

Change-Id: Iae523d46da4f0b6a007b02a2beac23d9c48aca02
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2353457
Commit-Queue: Zeynep Cankara <zcankara@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69498}