nativewindow: Add C++/Rust benchmarks am: e4680d7599 am: e76841b5c2

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2776852

Change-Id: Ic420134fd771e20041a6a887f763cc339d64294a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>