Fix crash on few 4.0/4.1 devices.

Never trust android.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
Add Armada 1500 for Hardware Decoding

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
HW Decoders: fix some tegra3 forced to use iomx

"ro.board.platform=tegra" can correspond to tegra2 and some tegra3 devices (HTC
OneX). Both tegra2 and tegra3 works with mediacodec and iomx, so use ALL
decoders for these devices (default behavior).

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>