Merge "binder_rust: add async variants of get_interface and...

Merge "binder_rust: add async variants of get_interface and wait_for_interface" am: 1b072863 am: 01f68a18 am: c3b612e6

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1878423

Change-Id: Icefdf5bf125158b2abc4382c1e595ff674266dc0