Merge "Refactor off V2 Cow Ops" into main am: adad3dbefe

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2736101

Change-Id: I0344daaa43ed555c0bcdd377629c70a167f2afa4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>