Fixed Force Close when enabling Network Location.

Permission WRITE_SECURE_SETTINGS was missing and the app was
crashing in the following point.
Screenshot: http://i.imgur.com/NFncN.png
Log: http://pastebin.com/Jgxce83k

Change-Id: I5e62b757622fec8feb4d64e31b4e9853bfb65195
Merge "Fixed Force Close when enabling Network Location." into cm-10.1