Make display manager tell input system about viewports.

The window manager is no longer responsible for telling the
input system about the display viewport.

Change-Id: I932882bae55decef55f25093bb2a7ebac1620bb1
diff --git a/services/input/PointerController.h b/services/input/PointerController.h
index 4c307c4..fd68b61 100644
--- a/services/input/PointerController.h
+++ b/services/input/PointerController.h
@@ -170,8 +170,7 @@
             const uint32_t* spotIdToIndex, BitSet32 spotIdBits);
     virtual void clearSpots();
 
-    void setDisplaySize(int32_t width, int32_t height);
-    void setDisplayOrientation(int32_t orientation);
+    void setDisplayViewport(int32_t width, int32_t height, int32_t orientation);
     void setPointerIcon(const SpriteIcon& icon);
     void setInactivityTimeout(InactivityTimeout inactivityTimeout);