Merge "rust: Change BinderBindings.h extension to .hpp" am: 094560d10b am: cb85ca8541 am: 1e75f59587 am: 5cba6aa335

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1435651

Change-Id: I853f6f42cac2f21d000f775ceabbd928604f1994