apmanager: Grant apmanager group permission to send to org.chromium.apmanager.

Allows access control with group membership.
privetd will be put into the group in following CLs.

BUG=chromium:441172
TEST=none, only apmanager is member of the group yet.

Change-Id: I9a2eefb281de69c1d8361cf15ff966f9b3b35718
Reviewed-on: https://chromium-review.googlesource.com/234904
Tested-by: Vitaly Buka <vitalybuka@chromium.org>
Trybot-Ready: Vitaly Buka <vitalybuka@chromium.org>
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
1 file changed