[1/3] Base: Add MobileNetwork Flip Tile

base from

https://gerrit.paranoidandroid.co/457

with moarr changes to OmniRom

toggle Network Flip Tile

for device support 4G (GSM)
toggle will change into 2G only => 3G only => 2G/3G auto => 2G/3G pref => 4G lte => back to 2G only

for device support 4G (CDMA)
toggle will change into cdma/evdo => cdma only => 4G lte => back to cdma/evdo

for device unsupport 4G (GSM)
toggle will change into 2G only => 3G only => 2G/3G auto => 2G/3G pref => back to 2G only

for device unsupport 4G (CDMA)
toogle will change into cdma/evdo => cdma only => back to cdma/evdo

4G toggle requires that at least one (1) of the following configs
must be present in the device's build.prop in order to use it:
telephony.lteOnCdmaDevice=1
telephony.lteOnGsmDevice=1

Change-Id: I7183dddeab7b4bdd4562015dd3958f3b069039e4