Migrate to cargo_embargo. am: 8ac924bc6b am: ed9ef3d0da

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/serde_cbor/+/2832892

Change-Id: Icc8ead4f9f7a9c4119dc0a154dca9b767dcdb749
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>