Defined SkDEBUGFAILF on Release builds

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2244253003

Review-Url: https://codereview.chromium.org/2244253003
diff --git a/include/core/SkTypes.h b/include/core/SkTypes.h
index 95fff7d..0cef8a1 100644
--- a/include/core/SkTypes.h
+++ b/include/core/SkTypes.h
@@ -163,6 +163,7 @@
     #define SkASSERT(cond)
     #define SkASSERTF(cond, fmt, ...)
     #define SkDEBUGFAIL(message)
+    #define SkDEBUGFAILF(fmt, ...)
     #define SkDEBUGCODE(...)
     #define SkDEBUGF(args)
     #define SkDECLAREPARAM(type, var)