Add autocxx support am: 3392e5ce33 am: 18b18e49f3 am: e9148b61da am: 5103c6f833

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bindgen/+/2624797

Change-Id: Ic85503a22bf8f772cba7c413055447611666a837
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>