Cordova / Android Studio 1.3.2 - How to add www folder as content root? -

i imported existing cordova project (.../platforms/android) android studio 1.3.2. how can add www folder content root android studio project?

the provided kind of useless leads intellij idea 14.1.0 help/configuring content roots seems written different version.

when follow suggestion given there can't find function add www folder content root of android module.