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/SampleTinyBitmap.cpp b/samplecode/SampleTinyBitmap.cpp
index 72664c7..57ce2ff 100644
--- a/samplecode/SampleTinyBitmap.cpp
+++ b/samplecode/SampleTinyBitmap.cpp
@@ -22,8 +22,9 @@
     SkColorTable* ctable = new SkColorTable(c, N);
 
     SkBitmap bm;
-    bm.setConfig(SkBitmap::kIndex8_Config, 1, 1);
-    bm.allocPixels(ctable);
+    bm.allocPixels(SkImageInfo::Make(1, 1, kIndex_8_SkColorType,
+                                     kPremul_SkAlphaType),
+                   NULL, ctable);
     ctable->unref();
 
     bm.lockPixels();