Merge "Remove password shards from memory" into rvc-dev am: 01bd0fca am: 087ec344 am: 867adf2a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/11838400

Change-Id: I07478c697cf47469a6567e1b6b010b742e091c66