[VOL-4291] OfAgent changes for gRPC migration

Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go b/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
index 654dd3d..f8298ff 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
@@ -1,10 +1,12 @@
 // go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/syscall.h
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build amd64 && darwin
 // +build amd64,darwin
 
 package unix
 
+// Deprecated: Use libSystem wrappers instead of direct syscalls.
 const (
 	SYS_SYSCALL                        = 0
 	SYS_EXIT                           = 1