Skip tiled drawing in GM for magnifier image filter.

Merely skips the test until we get a real fix for the problem.

BUG=https://code.google.com/p/skia/issues/detail?id=781

Review URL: https://codereview.appspot.com/6459094

git-svn-id: http://skia.googlecode.com/svn/trunk@5111 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gm.h b/gm/gm.h
index 4072f10..399c3fe 100644
--- a/gm/gm.h
+++ b/gm/gm.h
@@ -32,7 +32,8 @@
         enum Flags {
             kSkipPDF_Flag       = 1 << 0,
             kSkipPicture_Flag   = 1 << 1,
-            kSkipPipe_Flag      = 1 << 2
+            kSkipPipe_Flag      = 1 << 2,
+            kSkipTiled_Flag     = 1 << 3,
         };
 
         void draw(SkCanvas*);