Migrate to cargo_embargo. am: d22426003f am: 6a0b58dc80 am: e1561c5e0b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clap_derive/+/2821877

Change-Id: I8eab1f0acb6618ed6944dcbe421ff3df7cc58fc1
Signed-off-by: Automerger Merge Worker <[email protected]>