Panic in stats computation on GPU arrays

[connortsui20]

Stats computation can panic if the buffers are on the GPU.

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So for me to do this, I have to figure out how to make this code:

        let stats = storage_array.statistics();
        if let Some(min) = stats.compute_min::<i64>() {

copy into a host buffer in order to compute the min stat. Do we need to fix that for the rest of the statistics, or is this just a bug? Shouldn't this compute function handle this internally?

Originally posted by @connortsui20 in #6873 (comment)