Merge "Create python_runtime_pair and Python toolchain rules" am: 72db6c7a04 am: 7f8f396159 am: d4619127bb

Original change: https://android-review.googlesource.com/c/platform/prebuilts/build-tools/+/2035769

Change-Id: I9d48d512b0e2a09bed37fbc1db10ca2684789c7f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>