Yes, according to oneworld.com MH and QR lounges are next to eachother.
Malaysia Airlines Golden Lounge
Location details: Terminal 4, next to Gate 6 on the departures level
Opening hours: open for 2 daily flights, 4 hours prior to departure
Qatar Airways Premium Lounge
Location details: Terminal 4, opposite gate 6
Opening hours: Daily: 05:00-20:30 (Nov-Mar)
Notes: This lounge is only available to oneworld customers traveling in First and Business Class cabins