Android connection problems

[DonLakeFlyer]

From here: http://discuss.px4.io/t/qgroundcontrol-not-connecting-to-pixhawk-lite-on-android-phone/9236/4

[DonLakeFlyer]

Two problems:

• I was missing the fact that these were ChibiOS builds
• I forgot that way down deep in the guts of the android usb driver there were VID/PID checks which I haven't looked at in years!