iptables: upgraded package to upstream

Upgraded net-firewall/iptables to version 1.6.2-r2 on amd64, arm

BUG=b:143164242
TEST=cq, lakitu-release-tryjob

Change-Id: I802339f7f1d5ff4776a866cb2836dfbbc7e1ae2b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/1934891
Tested-by: Brian Norris <briannorris@chromium.org>
Commit-Queue: Brian Norris <briannorris@chromium.org>
Reviewed-by: Roy Yang <royyang@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
10 files changed