We generally care about preserving JSON compatibility for protobuf
files, but for some files, where we only use pure gRPC, we only
care about preserving wire compatibility.
Split our buf breaking invocation into two invocations, one that checks
for WIRE_JSON compatibility, and one that checks only for WIRE
compatibility. The former check ignores protos in controller/servers,
since they do not need to adhere to this stricter definition.
Johan Brandhorst-Satzkorn
77bc45ae62