Remove stale comments and kDebugLocking check
Remove stale comments and kDebugLocking check

Bug: 9414652
Change-Id: I9cd450ceb29d7895eb9e0700e2c9acb28409a325

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst