Use python based unzip function for portability am: ced069d3

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/23592960



Change-Id: I351d8904fdd6c344fabfbc0d04b334af1405e86b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>