Update to new (public) sheet in chromium account.
Fix issue with python newline on concatenated string.
Ensure all tables are sorted by date.

Bug: angleproject:3435
Change-Id: I5de178409dec1e0dcf1467e4f0fe8cf85ea23c08
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1609939Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>