[VOL-4289]  Proto changes for gRPC migration

Change-Id: I317a0a865ccf78d0c37aa229c50d293a3f66c8bb
diff --git a/go/ietf/ietf_interfaces.pb.go b/go/ietf/ietf_interfaces.pb.go
index 81470db..49b6553 100644
--- a/go/ietf/ietf_interfaces.pb.go
+++ b/go/ietf/ietf_interfaces.pb.go
@@ -391,7 +391,7 @@
 	// 630 bytes of a gzipped FileDescriptorProto
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 	0xc2, 0xe9, 0x23, 0x8f, 0xf3, 0x2d, 0x25, 0x22, 0xe5, 0x39, 0xcf, 0x46, 0x11, 0xcb, 0xd7, 0x24,
@@ -427,6 +427,6 @@
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 	0x0e, 0x17, 0x2c, 0x59, 0xf1, 0x34, 0x74, 0x8a, 0x2d, 0xf1, 0xf5, 0xcd, 0x26, 0xca, 0xb7, 0x0f,
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+	0x4a, 0xdf, 0x64, 0x04, 0x00, 0x00,
 }