GitLab

(1) Add a newline at the end of each line when saving logs file.
(2) Show logs in chronological order.
(3) Fix issue which showed "../../" at the start of every filename.

Change-Id: I3c40a4c083d156c70998149a0c61b618767c7fc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2372600
Auto-Submit: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Josh Nohle <nohle@chromium.org>
Reviewed-by: Josh Nohle <nohle@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801383}