bottle: write bottles in correct order

[Rylan12]

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Follow up to #10517

This PR fixes brew bottle so it writes the arm bottles first (as described in #10453). I'll open a separate PR to re-enable the style rule (doing them separately makes the process easier and won't require anything nearly as involved as last time).

[BrewTestBot]

Review period will end on 2021-02-05 at 18:41:23 UTC.

[BrewTestBot]

Review period skipped due to critical label.

[Rylan12]

Marking as critical and merging to get this in before the potential 3.0.0 release tomorrow.