dep: update protobuf and gRPC (#882)
dep: update protobuf and gRPC (#882)

* dep: update protobuf and gRPC

@chingor13 fixes #845

* remove java format plugin that's not compatible with java 11

* fix merge conflict

Co-authored-by: Jeff Ching <21aaffda9718a203d3f6dfde95bf7c5668b929a6@google.com>

vam-google/gax-java,googleapis/gax-java,googleapis/gax-java,vam-google/gax-java