GitLab

Add Generate DIR_METADATA files and remove metadata from OWNERS
files for //jingle.

R=thestig@chromium.org

Bug: 1113033
Change-Id: I8a6fa48aae3ea742fb4092fafe1250f5710fc067
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454090
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814449}