Fix transitions for image_download and activation

Change-Id: I713ada52eef9d275c7d7596026e178c7382e8335
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go b/vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go
index 7968439..8c102e5 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go
@@ -353,4 +353,7 @@
 	SYS_FSPICK                 = 433
 	SYS_PIDFD_OPEN             = 434
 	SYS_CLONE3                 = 435
+	SYS_OPENAT2                = 437
+	SYS_PIDFD_GETFD            = 438
+	SYS_FACCESSAT2             = 439
 )