Go to sleep on fold for foldable devices.

Allow configuration of foldable states to indicate the device
should sleep when entering certain states.

Test: Check that device still wakes up on unfold, and sleeps on fold.
Bug: 180154690
Change-Id: I179d93ec506deee7e9da7d9190934c52a0bc188f

core/java/android/hardware/display/DisplayManagerInternal.java

@@ -371,6 +371,13 @@ public abstract class DisplayManagerInternal {
      */
     public abstract Point getDisplaySurfaceDefaultSize(int displayId);
 
+    /**
+     * Receives early interactivity changes from power manager.
+     *
+     * @param interactive The interactive state that the device is moving into.
+     */
+    public abstract void onEarlyInteractivityChange(boolean interactive);
+
     /**
      * Describes the requested power state of the display.
      *