Merge "libbinder_rs: Build binder_rpc_unstable_bindgen on Trusty" into main am: 15823bcf08

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2584789

Change-Id: I64547d79ca89c6f4e3e0599f0f83da087b4bb961
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>