Hide windows even when AOD is off

AOD might be off but it can become visible when the user double taps
or lifts the phone. We should prepare the window manager for these
cases.

Test: turn AOD on and off, set screen lock to 'None', double tap display
Bug: 110938816
Change-Id: I6f2db86579d5b86a86fcd1a4515ee77c78460c9d
2 files changed