Regenerate all stuff.

dm/api/distributor/swarming/v1/params.pb.go

Index: dm/api/distributor/swarming/v1/params.pb.go
diff --git a/dm/api/distributor/swarming/v1/params.pb.go b/dm/api/distributor/swarming/v1/params.pb.go
index 11d4be425ea2b5048afe2a7ca8a24d630b8f9046..680798aeb2f70d848f6b28581e0d7c3e9f38ec59 100644
--- a/dm/api/distributor/swarming/v1/params.pb.go
+++ b/dm/api/distributor/swarming/v1/params.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/distributor/swarming/v1/params.proto
-// DO NOT EDIT!
 
 package swarmingV1
 
@@ -232,7 +231,7 @@ func init() {
 
 var fileDescriptor3 = []byte{
 	// 515 bytes of a gzipped FileDescriptorProto
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+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x93, 0x51, 0x6b, 0x13, 0x41,
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 	0xf4, 0x96, 0xa4, 0x28, 0x55, 0xf0, 0xa1, 0xb4, 0x05, 0x1b, 0x10, 0xea, 0x56, 0x7c, 0x0d, 0x7b,
 	0x77, 0x9b, 0xcb, 0x6a, 0x6e, 0x67, 0xd9, 0xdd, 0x8b, 0xf6, 0x03, 0xf9, 0x05, 0xc4, 0x0f, 0x28,