Add buganizer component ID to DIR_METADATA

Bug: 341800538
Change-Id: I53702d190ee7f86c7136e82db6c44d6ee4273f46
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/126230
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
Auto-Submit: Paul Semel <paulsemel@chromium.org>
Commit-Queue: Thomas Sepez <tsepez@google.com>
diff --git a/DIR_METADATA b/DIR_METADATA
index 507a6ca..6b01882 100644
--- a/DIR_METADATA
+++ b/DIR_METADATA
@@ -1,3 +1,3 @@
-monorail {
-  component: "Internals>Plugins>PDF"
+buganizer_public: {
+  component_id: 1586257
 }