Upgrade rust/crates/coset to 0.3.2 am: 4b3d58e0c6

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/coset/+/2139132

Change-Id: I35498a005a58b900c2790a1ecd36a7217c575676
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>