Return IMEI SV if CDMA-LTE mode is used

IMEI and IMEI SV should be available in CDMA-LTE hybrid system.
IMS SV value is not yet returned.

Bug: 5042972
Change-Id: I733825e95f802605e06887951e226d26baea8ff2

telephony/java/com/android/internal/telephony/cdma/CDMALTEPhone.java

@@ -140,6 +140,11 @@ public class CDMALTEPhone extends CDMAPhone {
         return mImei;
     }
 
+    @Override
+    public String getDeviceSvn() {
+        return mImeiSv;
+    }
+
     @Override
     protected void log(String s) {
         if (DBG)