rename DisplayHardware to DisplayDevice

Change-Id: I3f7250cd914e0da4f9ec2c9403587bbe12f3cc62
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 239250d..22a441d 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -64,12 +64,12 @@
     bool isFixedSize() const;
 
     // LayerBase interface
-    virtual void setGeometry(const DisplayHardware& hw,
+    virtual void setGeometry(const DisplayDevice& hw,
             HWComposer::HWCLayerInterface& layer);
     virtual void setPerFrameData(HWComposer::HWCLayerInterface& layer);
     virtual void setAcquireFence(HWComposer::HWCLayerInterface& layer);
 
-    virtual void onDraw(const DisplayHardware& hw, const Region& clip) const;
+    virtual void onDraw(const DisplayDevice& hw, const Region& clip) const;
     virtual uint32_t doTransaction(uint32_t transactionFlags);
     virtual Region latchBuffer(bool& recomputeVisibleRegions);
     virtual bool isOpaque() const;