This CL creates a timeline track component to
make the timeline view extensible as different
data sources added. The timeline track component will
take data source and display it with respect to time
axis of timeline overview.

Bug: v8:10644, v8:10735

Change-Id: I1c88dd2dc967be68e6235e517dcf8554a891eee4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2302053
Commit-Queue: Zeynep Cankara <zcankara@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69102}