Active display: Add sunlight mode. [1/2]

Change-Id: I541e74c5a1a7e6ce5028ab00cf998bba1d4fe0f9
Delay hiding systemui by 100ms
When disabling the keyguard, the systemui visibility is
changed and can occur after we hide it so delaying this
a bit resolves that issue.

Change-Id: Iad432f75195983837d643fa38495e6beb54f3e22