Add bz2 and elementtree modules. am: 57d51f2bf6 am: 991af89d2c am: 2cba696386 am: f18e3d8345 am: d7073590e2 Original change: https://android-review.googlesource.com/c/platform/external/python/cpython3/+/2736473 Change-Id: I3009b5a9836afe85e02d31dab3b07c80babfdd98 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>