perf_event: define security class and access vectors

This patch allows us to write SELinux policies for the
perf_event_open() syscall LSM hooks added to the kernel in the following
commit:
https://github.com/torvalds/linux/commit/da97e18458fb42d7c00fac5fd1c56a3896ec666e

Bug: 137092007
Change-Id: I0005759eb7a487faebe94a4653e3865343eb441e
2 files changed