Merge "Revert^2 "[binder] Expose public Rust API at crate top level"" am: 8ed347f682 am: 13e1cbb303

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1954498

Change-Id: Ic0c878a9e738e9f3c8fe7919669a781b2d4ba573