Add metadata files am: 63f98de5b1 am: f821ce5bad am: 246a633324 am: acceb038cf

Original change: https://android-review.googlesource.com/c/platform/external/python/absl-py/+/2133321

Change-Id: I8d3f40d399c895f5a82579bf6f324aa6bc09de44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>