travis: Use the Android module.
travis: Use the Android module.

Use the Android module. It's maintained, it uses prepackaged stuff
which costs Travis less in bandwidth and builds much faster. The
only downside is it might be slightly broken after major SDK
updates.

joansmith/dmix,hurzl/dmix,0359xiaodong/dmix,jcnoir/dmix,joansmith/dmix,jcnoir/dmix,abarisain/dmix,0359xiaodong/dmix,hurzl/dmix,abarisain/dmix