Merge "snapshotctl: Check for cow path when allocated from /data" into main...

Merge "snapshotctl: Check for cow path when allocated from /data" into main am: a078141e am: 8a74ce94

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3047795



Change-Id: Ia9c300cb057bd2a79fcfb30de1872078f146fcd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>