Merge "libsnapshot: Use SnapshotManager to delete devices." into android12L-tests-dev am: 11caad9d6c

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2604246

Change-Id: Ie667cac11be2ee5eef1cc7b434777689757c0a5a
Signed-off-by: Automerger Merge Worker <[email protected]>