Do not recommend normal xxhdpi assets.

For now, the 'xxhdpi' qualifier is only used explicitly for launcher icons on large, high density displays. Creating all your assets as xxhdpi is not recommended.

![Screen Shot 2013-04-19 at 1 53 20 PM](https://f.cloud.github.com/assets/66577/403973/307ebe04-a933-11e2-9768-995bb95db720.png)