Rename DisplayList->RenderNode

Change-Id: Id42e23c9a1a6eb6eaeafef707ced7fa6887b03d0
diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
index 69d3328..2dfc873 100644
--- a/libs/hwui/Caches.cpp
+++ b/libs/hwui/Caches.cpp
@@ -315,7 +315,7 @@
     pathCache.clearGarbage();
     patchCache.clearGarbage();
 
-    Vector<DisplayList*> displayLists;
+    Vector<RenderNode*> displayLists;
     Vector<Layer*> layers;
 
     { // scope for the lock
@@ -328,7 +328,7 @@
 
     size_t count = displayLists.size();
     for (size_t i = 0; i < count; i++) {
-        DisplayList* displayList = displayLists.itemAt(i);
+        RenderNode* displayList = displayLists.itemAt(i);
         delete displayList;
     }
 
@@ -345,7 +345,7 @@
     mLayerGarbage.push(layer);
 }
 
-void Caches::deleteDisplayListDeferred(DisplayList* displayList) {
+void Caches::deleteDisplayListDeferred(RenderNode* displayList) {
     Mutex::Autolock _l(mGarbageLock);
     mDisplayListGarbage.push(displayList);
 }