Add new Android NDK to build machines

This will add NDK (r9) to Linux nodes

Change-Id: Iedd68bc62816724b02e931cd0c5581321aa6a58f
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Reviewed-by: Simo Fält <simo.falt@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>