veyron/profiles/gce: TBR: Add missing build tag.
veyron/profiles/gce: TBR: Add missing build tag.

Change-Id: I912fc5d54f5ca7195a8796467f159eb27e5c61cb

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref