Remove oculus and you'll be fine. Even if you don't have the app installed go into app manager and see if you have all the oculus background services installed and uninstall them. It's the only thing that worked for me.
Re: S7 edge android system battery drain
Do you have the oculus background services installed? Even after removing the app they remained and I had to remove them all before the issue went
Re: S7 edge android system battery drain
Yep exactly the same issue here after an oculus update yesterday. Removed oculus and bingo my phone has cooled down and battery has stopped draining. How do we report this problem?