net-dns/bind-tools: Add METADATA for CVE tooling

This adds a METADATA file with a bug component so CVEs do not need to be
manually routed.

BUG=b:315238770
TEST=pre-upload checks pass

Change-Id: Iedb95c9bf385cbeae3c80f12c8e87b0c46958d4c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5105853
Auto-Submit: Allen Webb <allenwebb@google.com>
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
Commit-Queue: Hugo Benichi <hugobenichi@google.com>
Tested-by: Allen Webb <allenwebb@google.com>
1 file changed