[Sync] Add owners components/sync/OWNERS to ../javatests/../sync/OWNERS

Change-Id: Ie3fe872b9113d545d12bbb042c611cf93a996216
Reviewed-on: https://chromium-review.googlesource.com/c/1348450
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610559}
1 file changed