igmpproxy: Move igmpproxy to chromiumos-overlay

Since new patches of igmpproxy may not be approved upstream,
moving igmpproxy to chromiumos-overlay

BUG=b:154662757
TEST=Build and verified on Google Wifi.

Cq-Depend: chromium:2182981
Change-Id: Iaaa9ab5ba5f4164b318ee5517f74642d37afa946
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2181924
Commit-Queue: Kishan Kunduru <kkunduru@chromium.org>
Tested-by: Kishan Kunduru <kkunduru@chromium.org>
Reviewed-by: Raju Konduru <rkonduru@google.com>
Reviewed-by: Kevin Hayes <kevinhayes@google.com>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
(cherry picked from commit ba5f5f879485e3a9ad2c4333c78768e0d52deef4)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2183181
Reviewed-by: Kishan Kunduru <kkunduru@chromium.org>
6 files changed