Telephony: Process MT SMS with MTI set to 3

Change-Id: Ie57a9465d41a3bd2c625ccf6e675af400be6d294

Author: Alex Yakavenka

telephony/java/com/android/internal/telephony/gsm/SmsMessage.java

@@ -928,6 +928,8 @@ private void parsePdu(byte[] pdu) {
         // TP-Message-Type-Indicator
         // 9.2.3
         case 0:
+        case 3: //GSM 03.40 9.2.3.1: MTI == 3 is Reserved.
+                //This should be processed in the same way as MTI == 0 (Deliver)
             parseSmsDeliver(p, firstByte);
             break;
         case 2: