GitLab

Added DIR_METADATA files to a batch of subfolders in //components/a… and //components/b... , also removed duplicated metadata from OWNERS files

Bug: 1113033
Change-Id: I167e955eb480a5ef21bd482f588640dd5ad1323c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2560063Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Norman Rosas <normando@google.com>
Cr-Commit-Position: refs/heads/master@{#831914}