[NetLog Viewer] Use python3's `http.server` in bin/serve_static
[NetLog Viewer] Use python3's `http.server` in bin/serve_static

Bug: chromium:1310998
Change-Id: I1f5416a62b0ca42808bb7c90642b4e95674b0dd5
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/3553577
Reviewed-by: Matt Menke <db2b536c538f3dbd8e890e06e08bcb9ec34adf6d@chromium.org>
Commit-Queue: Dan McArdle <8fb240f11ec935676fcfd8aed04f42f9ee63efa8@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult