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

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

Change-Id: I70c7f06aae52194b1a50e26fac2fe3ad1d69abc0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>