unpack.py: Allow custom input and output directories

Adds two command line arguments to unpack.py:
* --artifacts-dir to specify a different input directory
* --output-dir to specify an output directory

Bug: 230135749
Change-Id: Iac957c45a6ca763966d3b0d9c960de0e573818c3
1 file changed
tree: 67e488ea6b9066b45978f1473083b418af0bde9b
  1. android/
  2. pristine/
  3. unpack.py