Fix PubSub and Datastore emulator configuration for gRPC. (#1667)
Fix PubSub and Datastore emulator configuration for gRPC. (#1667)

* Removes the port and sslCreds from grpc config

* Fixes the GRPC Connection Config

* Fixes GRPC emulator conn for PubSub/Datastore

* Move gapic emulator config to trait, bump Core version dependency

* bump talent version, fix hhvm (hopefully?)

* Update automl core version dependency

googleapis/google-cloud-php-oslogin,googleapis/google-cloud-php-oslogin