Merge "Revert "snapshotctl: Add apply-update option"" into main am: 01d754d672 am: 22a5579e8d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2980593

Change-Id: Idf67463e18f6a2fb6603b65aed6421bba6b64147
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>