VOL-1460
I need to test out a method sharing protos.
In particular, it is the protos under the go/folder

Plus some updates to the build process.

Change-Id: I5878354fd1ef136d4f0a019b22de96afdb0205e1
diff --git a/build_go_protos.sh b/build_go_protos.sh
new file mode 100755
index 0000000..72efcb8
--- /dev/null
+++ b/build_go_protos.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+# Copyright 2018 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+export PARENT_DIR="$1"
+export SRC_DIR="${PARENT_DIR}/voltha_protos"
+
+echo $SRC_DIR
+
+export MAPS=Mgoogle/protobuf/descriptor.proto=github.com/golang/protobuf/protoc-gen-go/descriptor
+export INCS="\
+    -I $PARENT_DIR \
+    -I /usr/local/include/googleapis"
+
+export VOLTHA_PB="\
+    $SRC_DIR/adapter.proto \
+    $SRC_DIR/device.proto \
+    $SRC_DIR/events.proto \
+    $SRC_DIR/health.proto \
+    $SRC_DIR/logical_device.proto \
+    $SRC_DIR/ponsim.proto \
+    $SRC_DIR/voltha.proto"
+
+export COMMON_PB="\
+    $SRC_DIR/common.proto \
+    $SRC_DIR/meta.proto \
+    $SRC_DIR/yang_options.proto"
+
+export INTER_CONTAINER_PB="$SRC_DIR/inter_container.proto"
+export SCHEMA_PB="$SRC_DIR/schema.proto"
+export IETF_PB="$SRC_DIR/ietf_interfaces.proto"
+export OF_PB="$SRC_DIR/openflow_13.proto"
+export OMCI_PB="$SRC_DIR/omci*.proto"
+export AFROUTER_PB="$SRC_DIR/afrouter.proto"
+
+export PB_VARS="\
+    VOLTHA_PB \
+    COMMON_PB \
+    INTER_CONTAINER_PB \
+    SCHEMA_PB \
+    IETF_PB \
+    OF_PB \
+    OMCI_PB \
+    AFROUTER_PB \
+	OMCI_PB"
+
+export OTHER_INCLUDES="/usr/local/include/googleapis"
+export PROTO_DESC_FILE="${SRC_DIR}/voltha.pb"
+
+for pb_var in $PB_VARS
+do
+    pbs="$(eval echo \$$pb_var)"
+    echo "Compiling $pbs"
+    protoc --go_out=$MAPS,plugins=grpc:$GOPATH/src $INCS $pbs
+done
+
+protoc -I ${PARENT_DIR} -I ${OTHER_INCLUDES} --include_imports --include_source_info --descriptor_set_out=${PROTO_DESC_FILE} ${SRC_DIR}/*.proto