dev: Update OWNERS files for connectivity tools

Updates the OWNERS files for tools that are maintained by the
ChromeOS Connectivity Engprod team to include the teams
owners file from the chromiumos/owners repo rather than specifying
individual emails.

BUG=None
TEST=None

Change-Id: I984b80b4fa5dcb77ad879929936f933fa95dd1bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/5041235
Auto-Submit: Jared Bennett <jaredbennett@google.com>
Tested-by: Jared Bennett <jaredbennett@google.com>
Reviewed-by: Harpreet Grewal <harpreet@chromium.org>
Commit-Queue: Harpreet Grewal <harpreet@chromium.org>
3 files changed