filesystem-layout: make /run check more strict

We only banned subdirs previously.  Now ban it from being created at all.

BUG=b:187699610
TEST=CQ passes

Change-Id: I8cacf8c06da3232877baf037e25f3cc388565f1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/3602904
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Gilberto Contreras <gcontreras@google.com>
Commit-Queue: Gilberto Contreras <gcontreras@google.com>
1 file changed