Merge "Fix an exception caused by incorrect data handling" into klp-dev

        String value = mFields.get(key);

        // Uninitialized or known to be empty after reading from supplicant

        if (TextUtils.isEmpty(value) || EMPTY_VALUE.equals(value)) return "";

        return removeDoubleQuotes(value).substring(prefix.length());

        value = removeDoubleQuotes(value);

        if (value.startsWith(prefix)) {

            return value.substring(prefix.length());

        } else {

            return value;

        }

    }

    /** Set a value with an optional prefix at key