Migrate to cargo_embargo. am: 59d61a5fc0 am: ec6ca2494a am: de5c729c9d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-normalization/+/2828013

Change-Id: I42e4a6a00c092ac0b9d5697b3ed0e10bfa8cdfca
Signed-off-by: Automerger Merge Worker <[email protected]>