Merge "Bump do_write buffer size"

    const char *path = args[1];

    const char *value = args[2];

    char expanded_value[PROP_VALUE_MAX];

    char expanded_value[256];

    if (expand_props(expanded_value, value, sizeof(expanded_value))) {

        ERROR("cannot expand '%s' while writing to '%s'\n", value, path);

        return -EINVAL;