Merge "Floss: Fix rustfmt about prelude" into main am: db442d08 am: 65b27230

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2766987



Change-Id: I39ef5c92052cb57d1f0beb69b97c23f7cfad4649
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>