Someone will need to update those 16 unfamiliar projects, whether it's you or those projects' owners. From what I hear, Google's process is that the developer m

Someone will need to update those 16 unfamiliar projects, whether it's you or those projects' owners. From what I hear, Google's process is that the developer making the breaking change has to either update the other projects, or coordinate with the project owners, before they can check in the breaking change. It helps that Google has standard build and test systems for all their projects in the one monorepo.