Settings :Add lockscreen icon.

Change-Id: I95500f427066f9d9683bdcf5478f6f86aebb762c
Fix FC when trying to adjust radio band via *#*#4636#*#* dialer code.

Fixes:

1. Add additional strings to BAND_NAMES array for additional bands from ril.h
2. Fix logic when adding band strings to selection list (for loop ends before entire array is read)

Change-Id: I5ff883a469f757a30c71d7d72c8f6ace19ce7a4d
Signed-off-by: Andrew Xie <andrew.w.xie@gmail.com>
(cherry picked from commit 4845045bb2dfd9b1a67f9f0c62bb44bfc5152284)
Settings: Catch NPE caused by attempting to invoke virtual method  on a null object reference

Change-Id: I86ae0f7b46b12533190228404e0bed406d85b2e6
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>