Move all copy write processing to later in pipeline am: d795875bd9 am: 9064bbf96e am: 2a73790caa

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2506303

Change-Id: I39b185c6129633f6b7eb4107b60f067e7b1469e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>