Merge "aflags: remove unnecessary String conversions" into main

    let full_name = flag.qualified_name();

    let p0 = info.longest_flag_col + 1;

    let val = flag.value.to_string();

    let val = &flag.value;

    let p1 = info.longest_val_col + 1;

    let value_picked_from = flag.value_picked_from.to_string();

    let flags = DeviceConfigSource::list_flags()?;

    let padding_info = PaddingInfo {

        longest_flag_col: flags.iter().map(|f| f.qualified_name().len()).max().unwrap_or(0),

        longest_val_col: flags.iter().map(|f| f.value.to_string().len()).max().unwrap_or(0),

        longest_val_col: flags.iter().map(|f| f.value.len()).max().unwrap_or(0),

        longest_value_picked_from_col: flags

            .iter()

            .map(|f| f.value_picked_from.to_string().len())