Restore "ANDROID: security,perf: Allow further restriction of perf_event_open"

This reverts commit 025a1ee6.

Restore CONFIG_SECURITY_PERF_EVENTS_RESTRICT to fix vintf checker
failure.

Change-Id: I41742532de583329ab802e55ab62eae747f91f13
Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>