Update README and pyproject.toml. am: 4576977c62 am: 9bd380eee9 am: c9e313175c Original change: https://android-review.googlesource.com/c/platform/tools/rr_prebuilt/+/2768236 Change-Id: I64a2f487646ca62414452d305bd9a6baa23052fa Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>