extract_firmware: Skip files that can't be found

A/B OTA might be missing some partitions like devinfo and frp
which are required for factory images.

Change-Id: I9d6f91c736476d3540c541e3ffc7a28e72089e4a
1 file changed
tree: 0635e2a398eb530bbf8040e59e3b700f4413e5f0
  1. templates/
  2. extract_ota.py
  3. extract_utils.sh
  4. sdat2img.py
  5. sort-blobs-list.py