Merge "[Bugfix]Fix userspace-reboot failure when backing_dev exists but zram not swapped on" am: 23a50b3860 am: bce0c15f3f am: 11f3ed6133

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1674154

Change-Id: I1574031bb51c6a0c668be14654ee0ced824ae5ee