Merge "libsnapshot: GetReminingTime not required after mapping dm-user" into main am: de5ba5c43a am: 649a790301

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2657044

Change-Id: I604653c73977c4e92f2da47ba6d619888e392f8d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>