Merge "Floss: Fix rustfmt about prelude" into main am: db442d08 am: 65b27230 am: 232f10e8

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



Change-Id: I34506afb09b176d297a2178018a97561ae69484a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>