Merge "Add Rust API for RPC binder." am: 7a82119773

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2177904

Change-Id: If64f47bc73305f9f3ebc12a6fd9b2d44d171afb0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>