[buganizer] Migrate remaining DIR_METADATA in chromium/src

Migrate all remaining DIR_METADATA in chromium/src.

Verify components with http://b/components/{id} or at
go/chrome-on-buganizer-prod-components.

Bug: chromium:1518875
Change-Id: I025c51f2bbe35f95fbb62f0d308f1ff1d0b438c8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5288611
Reviewed-by: Henrique Nakashima <[email protected]>
Reviewed-by: Avi Drissman <[email protected]>
Reviewed-by: Arthur Eubanks <[email protected]>
Commit-Queue: Jeff Yoon <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1259938}
diff --git a/docs/security/DIR_METADATA b/docs/security/DIR_METADATA
index acfecf02..86df9366 100644
--- a/docs/security/DIR_METADATA
+++ b/docs/security/DIR_METADATA
@@ -1,12 +1,7 @@
-# Metadata information for this directory.
-#
-# For more information on DIR_METADATA files, see:
-#   https://source.chromium.org/chromium/infra/infra/+/main:go/src/infra/tools/dirmd/README.md
-#
-# For the schema of this file, see Metadata message:
-#   https://source.chromium.org/chromium/infra/infra/+/main:go/src/infra/tools/dirmd/proto/dir_metadata.proto
-
-monorail {
+monorail: {
   component: "Security"
 }
-team_email: "[email protected]"
\ No newline at end of file
+team_email: "[email protected]"
+buganizer_public: {
+  component_id: 1456710
+}