Display: Welcome back Daydream. We missed you.

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>

Conflicts:
	src/com/android/settings/DisplaySettings.java
Display: Set ScreenSaverPref dependent on a timeout actually existing

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Daydream: hide unneeded menu

  We don't need the options to enable on
  plugged in or docked.

Signed-off-by: KhasMek <Boushh@gmail.com>