Snapdragon Galaxy Note 10 and Note 10+ are the first non-Pixel devices supported by Auditor with a StrongBox keystore. Samples from the Auditor hardware survey which were used to add support ('Submit sample data' option in menu):
github.com/GrapheneOS/Att
github.com/GrapheneOS/Att
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I doubt it supports StrongBox but that remains to be seen when samples are submitted from it with Auditor.