Merge "Try to recover corrupted ext4 /data with backup superblock am:...

Merge "Try to recover corrupted ext4 /data with backup superblock am: 4e864e12 am: 1cda1bb8 am: 2f5e5321" into rvc-qpr-dev-plus-aosp am: c774e341

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/11835152

Change-Id: Ida7b6ce111a895fb0305bdf0330c6b2ab6344022