Revert "run-test: Convert from bash to python." am: d08df34417 am: 92a5df7188 am: aa485163b6 am: f519ec4cce am: 668e490687

Original change: https://android-review.googlesource.com/c/platform/art/+/2241654

Change-Id: I28220bbd7f1e38ba4462cad231217b4c9a43635c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>