Change Regulatory Info Activity to prefer string over image

Change-Id: I9ea5c2bf469af8f654ec4e4bb4f2a8a5738e6a95

Conflicts:
	src/com/android/settings/deviceinfo/Status.java
Settings: Show Service State status in Phone Status properly

When the network mode is data only mode, the voice service state
would be OOS. In such cases, data service state is not checked to
show the phone status UI. Fix to consider data service state also to
update the UI properly.

Change-Id: I20fb6ea3256d0fe4a534fbb781e664d7ce774a05
CRs-Fixed: 517234