VOL-3588 Update OFAgent to support new version of protos

Change-Id: Ic3944779f9a600ebcd5d7a916616f473059e311e
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/health.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/health.pb.go
new file mode 100644
index 0000000..2c8c75b
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/health.pb.go
@@ -0,0 +1,200 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: voltha_protos/health.proto
+
+package voltha
+
+import (
+	context "context"
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	empty "github.com/golang/protobuf/ptypes/empty"
+	_ "github.com/opencord/voltha-protos/v4/go/common"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	grpc "google.golang.org/grpc"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+// Health states
+type HealthStatus_HealthState int32
+
+const (
+	HealthStatus_HEALTHY    HealthStatus_HealthState = 0
+	HealthStatus_OVERLOADED HealthStatus_HealthState = 1
+	HealthStatus_DYING      HealthStatus_HealthState = 2
+)
+
+var HealthStatus_HealthState_name = map[int32]string{
+	0: "HEALTHY",
+	1: "OVERLOADED",
+	2: "DYING",
+}
+
+var HealthStatus_HealthState_value = map[string]int32{
+	"HEALTHY":    0,
+	"OVERLOADED": 1,
+	"DYING":      2,
+}
+
+func (x HealthStatus_HealthState) String() string {
+	return proto.EnumName(HealthStatus_HealthState_name, int32(x))
+}
+
+func (HealthStatus_HealthState) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_dd1fc2b2d96d69b8, []int{0, 0}
+}
+
+// Encode health status of a Voltha instance
+type HealthStatus struct {
+	// Current state of health of this Voltha instance
+	State                HealthStatus_HealthState `protobuf:"varint,1,opt,name=state,proto3,enum=voltha.HealthStatus_HealthState" json:"state,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
+	XXX_unrecognized     []byte                   `json:"-"`
+	XXX_sizecache        int32                    `json:"-"`
+}
+
+func (m *HealthStatus) Reset()         { *m = HealthStatus{} }
+func (m *HealthStatus) String() string { return proto.CompactTextString(m) }
+func (*HealthStatus) ProtoMessage()    {}
+func (*HealthStatus) Descriptor() ([]byte, []int) {
+	return fileDescriptor_dd1fc2b2d96d69b8, []int{0}
+}
+
+func (m *HealthStatus) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_HealthStatus.Unmarshal(m, b)
+}
+func (m *HealthStatus) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_HealthStatus.Marshal(b, m, deterministic)
+}
+func (m *HealthStatus) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HealthStatus.Merge(m, src)
+}
+func (m *HealthStatus) XXX_Size() int {
+	return xxx_messageInfo_HealthStatus.Size(m)
+}
+func (m *HealthStatus) XXX_DiscardUnknown() {
+	xxx_messageInfo_HealthStatus.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HealthStatus proto.InternalMessageInfo
+
+func (m *HealthStatus) GetState() HealthStatus_HealthState {
+	if m != nil {
+		return m.State
+	}
+	return HealthStatus_HEALTHY
+}
+
+func init() {
+	proto.RegisterEnum("voltha.HealthStatus_HealthState", HealthStatus_HealthState_name, HealthStatus_HealthState_value)
+	proto.RegisterType((*HealthStatus)(nil), "voltha.HealthStatus")
+}
+
+func init() { proto.RegisterFile("voltha_protos/health.proto", fileDescriptor_dd1fc2b2d96d69b8) }
+
+var fileDescriptor_dd1fc2b2d96d69b8 = []byte{
+	// 302 bytes of a gzipped FileDescriptorProto
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+	0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x72, 0x0c, 0x5a, 0x9d, 0xb2, 0x01, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// HealthServiceClient is the client API for HealthService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type HealthServiceClient interface {
+	// Return current health status of a Voltha instance
+	GetHealthStatus(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*HealthStatus, error)
+}
+
+type healthServiceClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewHealthServiceClient(cc *grpc.ClientConn) HealthServiceClient {
+	return &healthServiceClient{cc}
+}
+
+func (c *healthServiceClient) GetHealthStatus(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*HealthStatus, error) {
+	out := new(HealthStatus)
+	err := c.cc.Invoke(ctx, "/voltha.HealthService/GetHealthStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// HealthServiceServer is the server API for HealthService service.
+type HealthServiceServer interface {
+	// Return current health status of a Voltha instance
+	GetHealthStatus(context.Context, *empty.Empty) (*HealthStatus, error)
+}
+
+func RegisterHealthServiceServer(s *grpc.Server, srv HealthServiceServer) {
+	s.RegisterService(&_HealthService_serviceDesc, srv)
+}
+
+func _HealthService_GetHealthStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(empty.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HealthServiceServer).GetHealthStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.HealthService/GetHealthStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HealthServiceServer).GetHealthStatus(ctx, req.(*empty.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _HealthService_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "voltha.HealthService",
+	HandlerType: (*HealthServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetHealthStatus",
+			Handler:    _HealthService_GetHealthStatus_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "voltha_protos/health.proto",
+}