I think there are a lot of people that are waiting for this to be possible - I sure am. I tried "No Lock", and that doesn't allow for this easier. This has got to be a possibility and I'm just waiting on an app developer to allow it.
It does exactly what i'm looking for. Make sure No Lock is either enabled or removed. I uninstalled Auto Lock since Lock Delay is a similar app. Only downside is that after X amount of minutes, it'll wake the phone up and turn the display on. i don't like it because it seems like it wants to tell me something, but in this case it's "locking enabled" so i don't mind much.