Merge "[binder] Expose public Rust API at crate top level" am: 897aab34f8 am: 27c97b6476 am: fc1866db39 am: df9b4309ef

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1797473

Change-Id: Ib1a92feda4bcb460da128ffab2e6fb47124a30a6