firebase-ios-sdk/FirebaseDataConnect/Protos/Readme

connector_service.proto is adapted from Data Connect server protos.
third_party/firebase/dataconnect/emulator/server/api/connector_service.proto

With following changes -
Follow same changes as specified by the copybara lines.
Where it says strip, take that line out and follow any replace rules with a replace

The google protos are obtained from https://github.com/googleapis/googleapis/tree/master