Re-enable security_ptraceRestrictions in the security suite

This reverts commit 9a15c753307795c7dd2feba1717743217e471303.

BUG=chromium-os:25087
TEST=Ran security suite successfully.

Change-Id: I94fe64626c5fbcbabf771603e8c481c92bd4e093
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/16503
Reviewed-by: Jim Hebert <jimhebert@chromium.org>
1 file changed