Add a tracking bug for non ext4 FS type support

Change-Id: Icf00143aa979fbaee5ec68088c5431f63d852158
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 09d8fba..9b3eae4 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -434,7 +434,7 @@
 	// Type string that build_image.py accepts.
 	fsTypeStr := func(t fsType) string {
 		switch t {
-		// TODO(jiyong): add more types like f2fs, erofs, etc.
+		// TODO(372522486): add more types like f2fs, erofs, etc.
 		case ext4Type:
 			return "ext4"
 		}