Merge "Add validity check to detect invalid PDUs." into sc-dev

        if (cur < TEXT_MIN) {

            int length = parseValueLength(pduDataStream);

            int startPos = pduDataStream.available();

            if (length > startPos) {

                Log.e(LOG_TAG, "parseContentType: Invalid length " + length

                        + " when available bytes are " + startPos);

                return (PduContentTypes.contentTypes[0]).getBytes(); //"*/*"

            }

            pduDataStream.mark(1);

            temp = pduDataStream.read();

            assert(-1 != temp);