fix signal for legacy gsm devices and invalid AppType on legacy gsm  

http://review.evervolv.com/#/c/8552/   and http://review.evervolv.com/#/c/8551/    Tytung was the first which found this patches. And checked that only this 2 patches needed to fix gsm. 

 http://androidforum.tytung.com/nexushd2-jellybean-cm10-2-t78-360.html#p2764  post: 377