Bug#921580: golang-google-cloud must version the golang-google-genproto-dev build dependency on a post-buster version

[Adrian Bunk]

Source: golang-google-cloud
Version: 0.9.0-8
Severity: serious

https://ci.debian.net/data/autopkgtest/testing/amd64/g/golang-google-cloud/1861825/log.gz

...
# cloud.google.com/go/profiler/mocks
src/cloud.google.com/go/profiler/mocks/mock_profiler_client.go:49:86: 
undefined: cloudprofiler.CreateOfflineProfileRequest
...