Revert below patched:
mm/oom-kill: Add debug policy
mm/oom-kill: Allow __GFP_RETRY_MAYFAIL to fail fast
mm/oom-kill: Run oom-killer if ULMK is stuck
mm/oom_kill: Disable scary messages for normal usecases
mm/oom-kill: Adjust oom_badness per Android expectations
mm/oom-kill: Add option to panic when killing foreground app
mm: Subtract watermark boost from /proc/vmstat
mm, page_owner: set page owner info for tail pages
kernel: trigger lmkd specific triggers during emergency
Change-Id: I9b4c1e7531c6f4b987497dd23a4e301e047d5cca
Signed-off-by: lucaswei <lucaswei@google.com>