Allow fragmentText to be called for singleton CDMA messages.

Corrects for previous partner changes, addressing issue:

http://buganizer/issue?id=2063332

Change-Id: I49e564d81c5db3e92a6bad973f21a02a7302875d

telephony/java/android/telephony/SmsMessage.java

@@ -309,8 +309,13 @@ public class SmsMessage {
         while (pos < textLen) {
             int nextPos = 0;  // Counts code units.
             if (ted.codeUnitSize == ENCODING_7BIT) {
-                // For multi-segment messages, CDMA 7bit equals GSM 7bit encoding (EMS mode).
-                nextPos = GsmAlphabet.findGsmSeptetLimitIndex(text, pos, limit);
+                if (activePhone == PHONE_TYPE_CDMA && ted.msgCount == 1) {
+                    // For a singleton CDMA message, the encoding must be ASCII...
+                    nextPos = pos + Math.min(limit, textLen - pos);
+                } else {
+                    // For multi-segment messages, CDMA 7bit equals GSM 7bit encoding (EMS mode).
+                    nextPos = GsmAlphabet.findGsmSeptetLimitIndex(text, pos, limit);
+                }
             } else {  // Assume unicode.
                 nextPos = pos + Math.min(limit / 2, textLen - pos);
             }

telephony/java/com/android/internal/telephony/SmsMessageBase.java

@@ -116,6 +116,16 @@ public abstract class SmsMessageBase {
          * android.telephony.SmsMessage ENCODING_*).
          */
         public int codeUnitSize;
+
+        @Override
+        public String toString() {
+            return "TextEncodingDetails " +
+                    "{ msgCount=" + msgCount +
+                    ", codeUnitCount=" + codeUnitCount +
+                    ", codeUnitsRemaining=" + codeUnitsRemaining +
+                    ", codeUnitSize=" + codeUnitSize +
+                    " }";
+        }
     }
 
     // TODO(): This class is duplicated in SmsMessage.java. Refactor accordingly.