[kokoro python] Print sdk path used am: e85833ef1a am: f54375d1a8 am: 8c55de956a

Original change: https://android-review.googlesource.com/c/platform/external/python/cpython3/+/1574221

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I84ddcaccab3d1214c232a9a0c5ef7997c1aa73ab