Migrate to cargo_embargo. am: 8d81961642 am: 98bd3d76c2 am: b43658ea48

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pin-project-internal/+/2829873

Change-Id: Ic8da24130beeddb1f8c03d863df9bf1e7cdd4cd4
Signed-off-by: Automerger Merge Worker <[email protected]>