Revert "Revert "Revert "atrace.rc: keep tracepoint directories w..."

Revert submission 1928164-reverts-for-b212364925

Reason for revert: Raviole prebuilts updated to include tracefs gid fixes (See: b/211893823)

Reverted Changes:
I642e7db5b:Revert "Revert "atrace: Make sched_process_free ev...
I7e880fc6a:Revert "Revert "atrace.rc: keep tracepoint directo...

Change-Id: Ifaa4dc49a2513b9e18dea16e551addad5c97fbe6