Revert "Fix initial black lockscreen"

This reverts commit 76c35d6847539ee368267e63c587b48dd1785924.

Change-Id: I008bb34b07a7978102a572bc134d4c1b430c968b
Revert "(1/2) Base: Bring back lockscreen blur"

This reverts commit 4e40fb85288b8a25d8a009ef05fbacb0c1085588.

Change-Id: If6586d67e864d11cc64eed8c10ebac069d73e391