Merge "Migrate to cargo_embargo." into main am: 6d93ae5605 am: 9f0d5f95b0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pdl-compiler/+/2828248

Change-Id: I8f0f054b571e16054107db27bd4ca8fac085ade6
Signed-off-by: Automerger Merge Worker <[email protected]>