Fix handling format based on API level accordingly.

Use SmsMessage#createFromPdu(pdu, format) at least on M and replace
SmsMessage#FORMAT_3GPP2 with "3gpp2".
 - SmsMessage#createFromPdu(pdu, format) is added in API level 23.
 - SmsMessage#FORMAT_3GPP2 is added in API level 28.

Test: Manual

Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
Change-Id: Icab2c6c3c86ee8b6597881bfac6066fed60db4d2

src/com/android/messaging/util/DebugUtils.java

@@ -302,11 +302,10 @@ public class DebugUtils {
                     final int length = dis.readInt();
                     final byte[] pdu = new byte[length];
                     dis.read(pdu, 0, length);
-                    if (format == null) {
-                        messagesTemp[i] = SmsMessage.createFromPdu(pdu);
-                    } else {
-                        messagesTemp[i] = SmsMessage.createFromPdu(pdu, format);
-                    }
+                    messagesTemp[i] =
+                            OsUtil.isAtLeastM()
+                                    ? SmsMessage.createFromPdu(pdu, format)
+                                    : SmsMessage.createFromPdu(pdu);
                 }
                 messages = messagesTemp;
             } catch (final FileNotFoundException e) {