Regenerate all stuff.

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

Index: dm/api/service/v1/activate_execution.pb.go
diff --git a/dm/api/service/v1/activate_execution.pb.go b/dm/api/service/v1/activate_execution.pb.go
index 1c9f81996ae6c889bbb53cfbd55857041479ae8a..079d244e3b289a4afbb1df2457cd9c321621c8bd 100644
--- a/dm/api/service/v1/activate_execution.pb.go
+++ b/dm/api/service/v1/activate_execution.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/activate_execution.proto
-// DO NOT EDIT!
 
 /*
 Package dm is a generated protocol buffer package.
@@ -115,7 +114,7 @@ func init() {
 
 var fileDescriptor0 = []byte{
 	// 182 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0x8e, 0xb1, 0x0a, 0xc2, 0x30,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x8e, 0xb1, 0x0a, 0xc2, 0x30,
 	0x10, 0x40, 0x69, 0x11, 0x87, 0x28, 0x0a, 0xc1, 0xa1, 0x38, 0x15, 0x07, 0xed, 0x62, 0x82, 0xba,
 	0xb9, 0x55, 0xf0, 0x07, 0x8a, 0x7b, 0x49, 0x93, 0x23, 0x09, 0x9a, 0xa6, 0xd6, 0x4b, 0xf1, 0xf3,
 	0xc5, 0xaa, 0x9d, 0x5d, 0x6e, 0x78, 0x8f, 0x7b, 0x77, 0xe4, 0xa4, 0x2d, 0x9a, 0x50, 0x31, 0xe9,