Use python based unzip function for portability

Bug: 283033491
Test: th
(cherry picked from https://android-review.googlesource.com/q/commit:7c9205b008002c41880241e866ad4b5438112439)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:0bf992ee0595727b4a2c563fd5023287727dd8b3)
Merged-In: Ief86b55c1d4a14220a0fb593c583a721d59cf86c
Change-Id: Ief86b55c1d4a14220a0fb593c583a721d59cf86c