Use SK_TEST_QCMS to mark qcms test code

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2031053005

Review-Url: https://codereview.chromium.org/2031053005
diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index 395f59e..8cb2b25 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -219,7 +219,7 @@
         //                 look identical on two different dsts?
         kDst_HPZR30w_Mode,
 
-#if !defined(GOOGLE3)
+#if defined(SK_TEST_QCMS)
         // Use QCMS for color correction.
         kQCMS_HPZR30w_Mode,
 #endif