Unit Tests: eliminate stray SkDebugf()s.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733113002

Review URL: https://codereview.chromium.org/1733113002
diff --git a/tests/SrcOverTest.cpp b/tests/SrcOverTest.cpp
index be64710..7789fbd 100644
--- a/tests/SrcOverTest.cpp
+++ b/tests/SrcOverTest.cpp
@@ -42,8 +42,8 @@
         opaqueCounter2 += (result2 == 0xFF);
     }
 #if 0
-    SkDebugf("---- opaque test: [%d %d %d]\n",
-             opaqueCounter0, opaqueCounter1, opaqueCounter2);
+    INFOF(reporter, "---- opaque test: [%d %d %d]\n",
+          opaqueCounter0, opaqueCounter1, opaqueCounter2);
 #endif
     // we acknowledge that technique0 does not always return opaque
     REPORTER_ASSERT(reporter, opaqueCounter0 == 256);
@@ -67,8 +67,8 @@
 #if 0
             // this shows where r1 (faster) differs from r2 (more exact)
             if (r1 != r2) {
-                SkDebugf("--- dst=%d i=%d r1=%d r2=%d exact=%g\n",
-                         dst, i, r1, r2, i + dst - dst*i/255.0f);
+                INFOF(reporter, "--- dst=%d i=%d r1=%d r2=%d exact=%g\n",
+                      dst, i, r1, r2, i + dst - dst*i/255.0f);
             }
 #endif
         }