use SkColorType instead of SkBitmap::Config in samplecode

BUG=skia:
R=reed@google.com

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/169063002

git-svn-id: http://skia.googlecode.com/svn/trunk@13473 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleAAClip.cpp b/samplecode/SampleAAClip.cpp
index d4e632d..5419f68 100644
--- a/samplecode/SampleAAClip.cpp
+++ b/samplecode/SampleAAClip.cpp
@@ -46,9 +46,9 @@
     clip.copyToMask(&mask);
     SkAutoMaskFreeImage amfi(mask.fImage);
 
-    bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(),
-                 mask.fBounds.height(), mask.fRowBytes);
-    bm.setPixels(mask.fImage);
+    bm.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(),
+                                         mask.fBounds.height()),
+                     mask.fImage, mask.fRowBytes, NULL, NULL);
 
     SkPaint paint;
     canvas->drawBitmap(bm,