Revert "UPSTREAM: tracefs: Have tracefs directories not set OTH permission bits by default"

This reverts commit 9c63be2a.

Reason for revert: android12 still relies on OTH bits being set.

Bug: 218458907
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Change-Id: Idac3d9a515188d718b7bf5c01105531f2e9bacdc