CROS_OWNERS: switch to our common shared lists

Change-Id: I7c05247729f4b569c9d6a95813d8849972c9b985
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3849003Reviewed-by: Cindy Lin <xcl@google.com>
Commit-Queue: Cindy Lin <xcl@google.com>
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>

CROS_OWNERS

 # Chrome OS developers looking over Chrome OS related files.
-cjmcdonald@chromium.org
-lamontjones@chromium.org
-nednguyen@chromium.org
-saklein@chromium.org
-sbelmon@google.com
-sfrolov@google.com
-vapier@chromium.org
+include chromiumos/owners:v1:/infra/OWNERS.ci
+include chromiumos/owners:v1:/infra/OWNERS.build