Regenerate all stuff.

grpc/cmd/rpc/printer_test.pb_test.go

Index: grpc/cmd/rpc/printer_test.pb_test.go
diff --git a/grpc/cmd/rpc/printer_test.pb_test.go b/grpc/cmd/rpc/printer_test.pb_test.go
index 9aa57cdf5680a353b22cfb400225d225b0f3343e..b7da99b0b6d7ebe058651fc7101047b92b46c47b 100644
--- a/grpc/cmd/rpc/printer_test.pb_test.go
+++ b/grpc/cmd/rpc/printer_test.pb_test.go
@@ -1,6 +1,5 @@
-// Code generated by protoc-gen-go.
+// Code generated by protoc-gen-go. DO NOT EDIT.
 // source: github.com/luci/luci-go/grpc/cmd/rpc/printer_test.proto
-// DO NOT EDIT!
 
 /*
 Package main is a generated protocol buffer package.
@@ -613,7 +612,7 @@ func init() {
 
 var fileDescriptor0 = []byte{
 	// 306 bytes of a gzipped FileDescriptorProto
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+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x91, 0xcd, 0x4b, 0xf3, 0x40,
 	0x10, 0xc6, 0x9b, 0xe9, 0x07, 0xef, 0x3b, 0x62, 0x09, 0x6b, 0x0f, 0x4b, 0xf1, 0x50, 0x72, 0x2a,
 	0x82, 0x89, 0xbb, 0xfd, 0xd0, 0x83, 0x27, 0x21, 0xe0, 0x25, 0x2a, 0x29, 0x78, 0x95, 0x34, 0xd9,
 	0xc4, 0x80, 0xf9, 0x20, 0xd9, 0x80, 0x7f, 0xbe, 0x64, 0xd2, 0xc6, 0x0f, 0xc4, 0xcb, 0x4c, 0xf2,