Revert "Lockscreen: See through (2/2)"

This reverts commit f2f33f7b6996241509dbaab6e3ed48f9e8ed0c44.

Change-Id: I4741af9367dddcfaeb17bd0c16bf9d95d60d9392
Merge "Revert "Lockscreen: See through (2/2)"" into cd-4.4