Merge "libbinder: Status - allow null errors"

    }

    // The remote threw an exception.  Get the message back.

    String16 message;

    std::optional<String16> message;

    status = parcel.readString16(&message);

    if (status != OK) {

        setFromStatusT(status);

        return status;

    }

    mMessage = String8(message);

    mMessage = String8(message.value_or(String16()));

    // Skip over the remote stack trace data

    int32_t remote_stack_trace_header_size;