Add buganizer component ID to DIR_METADATA

Bug: chromium:341800538
Change-Id: I06ddef69ee46960d98aad1e6236d69108dc014c1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/6031449
Reviewed-by: Shu-yu Guo <syg@chromium.org>
1 file changed