Revert "Revert "Revert "atrace: Make sched_process_free event di..."

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: Iaceffea1398280dd1c39a1fad18bf8f7d1af03a6