So I upgraded to Android Studio 0.8.14 and I already know that I can create a new folder on my module app/src/newbuildtype and there I can create the folders java and res specif
So I found that I can create a app/debug/res folder by right-clicking on my module, selecting this options from menu New->Folder->Res Folder
After that you can create, let's say the values folder by right-clicking on my app module -> New->XML->Values folder and selecting my build type
And there you have created your values folder on debug build type, that now appears like this