Migrate to cargo_embargo. am: b71722ff58 am: 3205c21f66

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/itertools/+/2796435

Change-Id: Ife6692d4aefbe242751e93a52a3f3f9d77fd1092
Signed-off-by: Automerger Merge Worker <[email protected]>