[automerger skipped] Merge "Revert^2 "Detect factory reset and deleteAllKeys"" into sc-dev am: 1566a5bf00 -s ours am: 068fbe2ea9 -s ours

am skip reason: skipped by user paulcrowley

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/vold/+/15547746

Change-Id: I04b3bfa639a8838f17ddb0cc642cb78c1baf186f