[VOL-5056] - Build and release voltha-protos

VERSION
Makefile

test/pom.xml
------------
  o Update maven artifact dependencies

go/openolt/openolt.pb.go
go/voltha/device.pb.go
go/voltha/events.pb.go
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  o Run gofmt -s -w to cleanup sources.

Change-Id: Ib077ce75937e2da3f65e7617f70a68b7f15f3a12
3 files changed