Partial revert of 261725fdb2962271c222a049fcdf57bbdc8363c7

Bug:27534946

Mapping empty rects still must be done to get correct positions for
line/point rects describing strokable bounds.

Change-Id: I2f9efe543e58eb438b755276585491c1256d6719
diff --git a/libs/hwui/Rect.h b/libs/hwui/Rect.h
index d9fce9b..de4fa55 100644
--- a/libs/hwui/Rect.h
+++ b/libs/hwui/Rect.h
@@ -286,7 +286,8 @@
 
     friend std::ostream& operator<<(std::ostream& os, const Rect& rect) {
         if (rect.isEmpty()) {
-            return os << "empty";
+            // Print empty, but continue, since empty rects may still have useful coordinate info
+            os << "(empty)";
         }
 
         if (rect.left == 0 && rect.top == 0) {