Have RT drive window positioning

Bug: 22802885

Change-Id: I6beed5474d3a943b16e9097f7bd61ce3cbd37505
diff --git a/libs/hwui/TreeInfo.h b/libs/hwui/TreeInfo.h
index be25516..accd303 100644
--- a/libs/hwui/TreeInfo.h
+++ b/libs/hwui/TreeInfo.h
@@ -86,6 +86,12 @@
 #endif
     ErrorHandler* errorHandler = nullptr;
 
+    // Frame number for use with synchronized surfaceview position updating
+    int64_t frameNumber = -1;
+    int32_t windowInsetLeft = 0;
+    int32_t windowInsetTop = 0;
+    bool updateWindowPositions = false;
+
     struct Out {
         bool hasFunctors = false;
         // This is only updated if evaluateAnimations is true