Add decodeYUV8Planes to SkImageDecoder_empty

src/ports/SkImageDecoder_empty.cpp

Index: src/ports/SkImageDecoder_empty.cpp
diff --git a/src/ports/SkImageDecoder_empty.cpp b/src/ports/SkImageDecoder_empty.cpp
index 851e23d0ca33e6c1ffb65855b2413f406d085ada..624457b3bc92bbd5d276153281e3f8bae8b4b8ab 100644
--- a/src/ports/SkImageDecoder_empty.cpp
+++ b/src/ports/SkImageDecoder_empty.cpp
@@ -43,6 +43,11 @@ bool SkImageDecoder::DecodeMemory(const void*, size_t, SkBitmap*, SkColorType, M
     return false;
 }
 
+bool SkImageDecoder::decodeYUV8Planes(SkStream*, SkISize[3], void*[3],
+                                      size_t[3], SkYUVColorSpace*) {
+    return false;
+}
+
 SkImageDecoder::Format SkImageDecoder::getFormat() const {
     return kUnknown_Format;
 }