cheroot, cherrypy: upgraded packages to upstream

Upgraded dev-python/cheroot to version 8.2.1-r1 on amd64
Upgraded dev-python/cherrypy to version 18.1.0-r1 on amd64

Keeping old version of cherrypy on SLOT=2.7 to keep py2 support,
mainly for testing and py3 upgrade reasons.

Moving cherrypy to chromiumos-overlay due to this upstream divergence.

BUG=chromium:1069875,chromium:1069876
TEST=Full unit test suite. Python libs should not depend on board.

Cq-Depend: chromium:2142921
Change-Id: Ia35e7b2d8c2e3e42a0cc04b08020873a255cc0e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2142358
Tested-by: Bob Brandt <brndt@google.com>
Commit-Queue: Bob Brandt <brndt@google.com>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Auto-Submit: Bob Brandt <brndt@google.com>
10 files changed