Re-add Setup.local for Darwin (incl _ssl) am: aef24cfeb0

Original change: https://android-review.googlesource.com/c/platform/external/python/cpython3/+/2285874

Change-Id: I007524b869f549c97c977c07d9421e2eade95944
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>