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

This reverts commit 34042bbf1d62aa19094bdb00f12ab46b4fcdd848.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I49ac37f6b1702db9248879e21134a028d8cb3892
(cherry picked from commit ef22665a2c1876b0112af1086cef772e73da896a)
11 files changed