Revert "Pass apex_info.pb file to delta_generator" am: 195d0a9e38

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1567042

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib7daaa9f0224f5284d5db9ba35070aee45f0d1bb