Revert "DO NOT MERGE Refactor passwords/pins/patterns to byte[]"

This reverts commit 820b2504f36d65ef3cd2e34ec72ee53c90fa89d9.

Reason for revert: <INSERT REASONING HERE>

Change-Id: Ic6804433644eda4af9d82d1a356e0d3a7a72b552
(cherry picked from commit 075c346e8ff4713e2af0da662a14935485d96398)
26 files changed