Unit Tests: eliminate stray SkDebugf()s.

tests/BitmapTest.cpp

Index: tests/BitmapTest.cpp
diff --git a/tests/BitmapTest.cpp b/tests/BitmapTest.cpp
index 015b917464e7b2c48c164cd23c7d782b7cd08fb3..f939875cf2b9be0578f2cf36336ff6eb0edaee5f 100644
--- a/tests/BitmapTest.cpp
+++ b/tests/BitmapTest.cpp
@@ -151,9 +151,7 @@ static void test_erasecolor_premul(skiatest::Reporter* reporter, SkColorType ct,
   SkBitmap bm;
   bm.allocPixels(SkImageInfo::Make(1, 1, ct, kPremul_SkAlphaType));
   bm.eraseColor(input);
-  if (reporter->verbose()) {
-      SkDebugf("expected: %x actual: %x\n", expected, bm.getColor(0, 0));
-  }
+  INFOF(reporter, "expected: %x actual: %x\n", expected, bm.getColor(0, 0));
   REPORTER_ASSERT(reporter, bm.getColor(0, 0) == expected);
 }