Fix signal 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

Change-Id: Iee635bd3626fce251a920dc42a80c71bb3505026
telephony: added OppoRIL

Also filter operator list for duplicates

PS2:
whitespaces

Change-Id: I783dece8fe800f414c5a8dfc7c149171176c2bb1
Merge "telephony: added OppoRIL" into du44