typecd: Install seccomp policy

BUG=b:152251292
TEST=Run the following and ensure typecd doesn't crash:
minijail -S /usr/share/policy/typecd-seccomp.policy -- /usr/bin/typecd

Cq-Depend: chromium:2333355
Change-Id: Ie767e1a98a1fd4acf5b43c15ea071e28ab7dd8e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2333279
Commit-Queue: Prashant Malani <pmalani@chromium.org>
Tested-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed