Individually enable and disable SkCodecs

tests/YUVTest.cpp

Index: tests/YUVTest.cpp
diff --git a/tests/YUVTest.cpp b/tests/YUVTest.cpp
index 09b6f2a7ef6497a98f884c3cbdc267ac42849e8d..bb34a8dc88c5ae43798edb453a06d39a87d539ae 100644
--- a/tests/YUVTest.cpp
+++ b/tests/YUVTest.cpp
@@ -11,6 +11,8 @@
 #include "SkTemplates.h"
 #include "Test.h"
 
+#ifdef SK_CODEC_DECODES_JPEG
+
 static SkStreamAsset* resource(const char path[]) {
     SkString fullPath = GetResourcePath(path);
     return SkStream::NewFromFile(fullPath.c_str());
@@ -119,3 +121,5 @@ DEF_TEST(Jpeg_YUV_Codec, r) {
     // A PNG should fail.
     codec_yuv(r, "arrow.png", nullptr);
 }
+
+#endif