Backfill commit SHAs for tagged Git versions am: 4f0a417267

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/python/six/+/38108405

Change-Id: I46cd760866a7ce19781e8a53b5e70c3487173944
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>