Fix buildbot.

GM is currently broken due to my new test. Disable the portion that
causes a crash.

Review URL: https://codereview.appspot.com/6344067

git-svn-id: http://skia.googlecode.com/svn/trunk@4418 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/extractbitmap.cpp b/gm/extractbitmap.cpp
index 5002f1b..6765796 100644
--- a/gm/extractbitmap.cpp
+++ b/gm/extractbitmap.cpp
@@ -52,7 +52,7 @@
 
         canvas->drawBitmap(bitmap, 0, 0);
         canvas->drawBitmap(subset, 0, 0);
-
+/*
         // Now do the same but with a device bitmap as source image
         SkRefPtr<SkDevice> primaryDevice(canvas->getDevice());
         SkRefPtr<SkDevice> secondDevice(canvas->createCompatibleDevice(
@@ -71,7 +71,7 @@
 
         canvas->drawBitmap(deviceBitmap, 0, 0);
         canvas->drawBitmap(deviceSubset, 0, 0);
-
+*/
     }
     
 private: