Fix on breaking buildtarget refactor

CQs aren't linked together, so this wasn't caught for the prototyping
proto defs.  Fixing for now and will fix CQ coverage on follow-up cl

Change-Id: I06acf47619fc91ba8893e5be8517eeba82d8e909
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2412268
Tested-by: C Shapiro <shapiroc@chromium.org>
Auto-Submit: C Shapiro <shapiroc@chromium.org>
Reviewed-by: C Shapiro <shapiroc@chromium.org>
Commit-Queue: C Shapiro <shapiroc@chromium.org>
2 files changed