Regenerate all stuff.

dm/api/service/v1/graph_query.pb.go

Index: dm/api/service/v1/graph_query.pb.go
diff --git a/dm/api/service/v1/graph_query.pb.go b/dm/api/service/v1/graph_query.pb.go
index bf8d4cf8d69275ac98d0fbeda1fd77be6d5b16c1..26fdaaf584bdaa7d008ea862141fac06999781ec 100644
--- a/dm/api/service/v1/graph_query.pb.go
+++ b/dm/api/service/v1/graph_query.pb.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/dm/api/service/v1/graph_query.proto
-// DO NOT EDIT!
 
 package dm
 
@@ -253,7 +252,7 @@ func init() {
 
 var fileDescriptor4 = []byte{
 	// 475 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0x93, 0xc1, 0x6f, 0xd3, 0x30,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x93, 0xc1, 0x6f, 0xd3, 0x30,
 	0x14, 0xc6, 0x49, 0xd2, 0x64, 0xec, 0xa5, 0x1d, 0x9d, 0x05, 0x28, 0x0a, 0x1c, 0xaa, 0x71, 0x68,
 	0x0f, 0x2c, 0x11, 0x01, 0x24, 0x04, 0x17, 0x2a, 0x51, 0x90, 0xa6, 0x4d, 0x6c, 0x5e, 0x41, 0xdc,
 	0x2a, 0x37, 0x31, 0xa9, 0x45, 0x52, 0x67, 0x8e, 0x53, 0x96, 0x7f, 0x61, 0x7f, 0x35, 0xb2, 0xd3,