Cleanup RadioInfo Test Menu

-Convert multi-mode buttons to toggle switches to reduce
 confusion.
-Remove long-deprecated PhoneStateIntentReceiver references
 and convert all functions to use PhoneStateListener
-Remove vestigial menu items that no longer reference working
 system properties or code
-Add new ARFCN/UARFCN/EARFCN fields to CellInfo Display
-Convert CellInfoListRate to a Dropdown menu
-Fixed bugs with screen rotation that caused network preferences
 to change (and could crash the radio)
-Fixed bugs related to onResume not updating values correctly
-Re-ordered menu items to group like-items together
-Minor string edits for clarity, correctness, and consistency

Change-Id: Ied5ed7a250682ee3327e51884d80ee4f3a7eb913