Fix FC when forcing Nexus 4 to specific radio band via *#*#4636#*#* dialer code.

Fixes:

1. Add additional strings to BAND_NAMES array for additional bands supported by N4
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>