Merge "snapshotctl: Support pause/resume of snapshot merge" into main am: 79e84ac78b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3523637

Change-Id: I5fe6d5a1278085e9ae4b2a6332f519fad0031cd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>