VOL-669: Move protos from openolt-api repo to protos directory.

Change-Id: I851c0a97b5c049235adae02206b83fe6afc8ba95
diff --git a/protos/Makefile b/protos/Makefile
new file mode 100644
index 0000000..ba9591f
--- /dev/null
+++ b/protos/Makefile
@@ -0,0 +1,59 @@
+# Copyright (c) 2018 Open Networking Foundation
+#
+# 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.
+
+HOST_SYSTEM = $(shell uname | cut -f 1 -d_)
+SYSTEM ?= $(HOST_SYSTEM)
+CXX = g++
+CPPFLAGS += `pkg-config --cflags protobuf grpc` -I googleapis/gens
+CXXFLAGS += -std=c++11
+ifeq ($(SYSTEM),Darwin)
+LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++ grpc`\
+           -lgrpc++_reflection\
+           -ldl
+else
+LDFLAGS += -L/usr/local/lib `pkg-config --libs protobuf grpc++ grpc`\
+           -Wl,--no-as-needed -lgrpc++_reflection -Wl,--as-needed\
+           -ldl
+endif
+PROTOC = protoc
+GRPC_CPP_PLUGIN = grpc_cpp_plugin
+GRPC_CPP_PLUGIN_PATH ?= `which $(GRPC_CPP_PLUGIN)`
+
+OBJS = openolt.pb.o openolt.grpc.pb.o ./googleapis/gens/google/api/annotations.grpc.pb.o ./googleapis/gens/google/api/annotations.pb.o ./googleapis/gens/google/api/http.pb.o
+
+all: googleapis libopenoltapi.a
+
+libopenoltapi.a: $(OBJS)
+	ar ru $@ $^
+	ranlib $@
+
+googleapis:
+	if [ ! -e "googleapis" ]; then \
+		git clone git@github.com:googleapis/googleapis.git; \
+		make -C googleapis LANGUAGE=cpp all; \
+	fi;
+
+.PRECIOUS: %.grpc.pb.cc
+%.grpc.pb.cc: %.proto
+	$(PROTOC) --proto_path=. -I./googleapis --grpc_out=. --plugin=protoc-gen-grpc=$(GRPC_CPP_PLUGIN_PATH) $<
+
+.PRECIOUS: %.pb.cc
+%.pb.cc: %.proto
+	$(PROTOC) --proto_path=. -I./googleapis --cpp_out=. $<
+
+clean:
+	rm -f *.o *.pb.cc *.pb.h *.a
+
+distclean: clean
+	rm -rf googleapis