Merge "Verify that the native handle was created" into mnc-dev

    if (err != NO_ERROR) return 0;

    native_handle* h = native_handle_create(numFds, numInts);

    if (!h) {

        return 0;

    }

    for (int i=0 ; err==NO_ERROR && i<numFds ; i++) {

        h->data[i] = dup(readFileDescriptor());

        if (h->data[i] < 0) err = BAD_VALUE;