Revert "Replace hidden keyguard states with occluded state"

This reverts commit b8a4bf7d0842e4625e45817610f2af5f31fac918.

Reason for revert: Droidmonitor created revert due to b/363002842. 

Change-Id: I9c88585d1fbab03e8747a2220c6431a0a79c7a03
3 files changed