Revert "SkDEBUGF: use __VA_ARGS__"

This reverts commit 2267a092356d17f6444502dc92491485ccf24341.

Reason for revert: It looks like Google 3 is failing to compile w/ this CL

Original change's description:
> SkDEBUGF: use __VA_ARGS__
> 
> Change-Id: I42a47e821ff7a7f6cec65b38a8216cabbf0acfce
> Reviewed-on: https://skia-review.googlesource.com/139860
> Reviewed-by: Mike Klein <mtklein@google.com>
> Commit-Queue: Hal Canary <halcanary@google.com>

TBR=mtklein@google.com,halcanary@google.com,reed@google.com

Change-Id: I3aab490f3d2fea103fc915ca01cb0e294df86739
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/140660
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/utils/SkMultiPictureDocument.cpp b/src/utils/SkMultiPictureDocument.cpp
index f8eaaf8..f7081e6 100644
--- a/src/utils/SkMultiPictureDocument.cpp
+++ b/src/utils/SkMultiPictureDocument.cpp
@@ -195,7 +195,7 @@
     // PagerCanvas::onDrawAnnotation().
     picture->playback(&canvas);
     if (canvas.fIndex != dstArrayCount) {
-        SkDEBUGF("Malformed SkMultiPictureDocument\n");
+        SkDEBUGF(("Malformed SkMultiPictureDocument\n"));
     }
     return true;
 }