Revert "Do not fetch Google Cloud SDK"
Revert "Do not fetch Google Cloud SDK"

This reverts commit f557835ad0baa8fff848da865dc6aff82a924d6b.

n054/weave,n054/weave,weaveworks/weave,n054/weave,weaveworks/weave,n054/weave,n054/weave,weaveworks/weave,weaveworks/weave