Remove redundant Paint.setARGB in favor of assigning to Paint.color.

sky/examples/raw/paint_element_into_displaylist.sky

Index: sky/examples/raw/paint_element_into_displaylist.sky
diff --git a/sky/examples/raw/paint_element_into_displaylist.sky b/sky/examples/raw/paint_element_into_displaylist.sky
index c684836d0cdb75b0425a408041123de699bda9a2..1196436fb5c200880a76d957c67a48ad63e38463 100644
--- a/sky/examples/raw/paint_element_into_displaylist.sky
+++ b/sky/examples/raw/paint_element_into_displaylist.sky
@@ -11,7 +11,7 @@ void main() {
   double width = window.innerWidth.toDouble();
   double height = window.innerHeight.toDouble();
   PictureRecorder recorder = new PictureRecorder(width, height);
-  Paint paint = new Paint()..setARGB(255, 0, 255, 0);
+  Paint paint = new Paint()..color = Color.fromARGB(255, 0, 255, 0);
   recorder.drawCircle(50.0, 50.0, 50.0, paint);
   recorder.translate(10.0, 10.0);
   root.paint(recorder);