shake out Paint.toString (#16850)

dnfield · web-flow · commit 96061d62281d · 2020-02-28T10:41:55.000-08:00
diff --git a/lib/ui/painting.dart b/lib/ui/painting.dart
@@ -1454,6 +1454,9 @@ class Paint {
 
   @override
   String toString() {
+    if (const bool.fromEnvironment('dart.vm.product', defaultValue: false)) {
+      return super.toString();
+    }
     final StringBuffer result = StringBuffer();
     String semicolon = '';
     result.write('Paint(');
