Merge "Convert vndk scripts to python3" am: 77cd06c038 am: ea654f3ef3 am: 13653750f7 am: 7a6404b34d am: 1bbc0a2413

Original change: https://android-review.googlesource.com/c/platform/development/+/1396389

Change-Id: I3520497ff29ca15e1be35d13383b52f0d35bcb94