Merge "Fix pylint warnings on ota_from_target_files.py" am: c25182c757

Original change: https://android-review.googlesource.com/c/platform/build/+/1556918

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I3481b2a8c9b66e0e5eb1d5dee26c5f5c17db033e