Copy message protos for the new Kids Chrome Management API.

BUG=973822

Change-Id: I71f6494eae094646068382444eb985626efd0bbe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1658168
Commit-Queue: Gustavo Avena <gustavoavena@chromium.org>
Reviewed-by: Henrique Grandinetti <hgrandinetti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672117}
4 files changed