[skotty] Speculative g3 DM build fix

Disable Skotty support in G3 for now.

TBR=
Change-Id: Ic64f62bc21e9d4a531cdfa2495710edc1ba531f8
Reviewed-on: https://skia-review.googlesource.com/90029
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index 67128ea..9a6cb0c 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -262,6 +262,7 @@
     Path fPath;
 };
 
+#if !defined(SK_BUILD_FOR_GOOGLE3)
 class SkottySrc final : public Src {
 public:
     explicit SkottySrc(Path path);
@@ -279,6 +280,7 @@
     SkISize                            fTileSize = SkISize::MakeEmpty();
     std::unique_ptr<skotty::Animation> fAnimation;
 };
+#endif
 
 #if defined(SK_XML)
 } // namespace DM