Individually enable and disable SkCodecs

BUG=skia:4956
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1702533004
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot

Review URL: https://codereview.chromium.org/1702533004
diff --git a/src/codec/SkJpegCodec.h b/src/codec/SkJpegCodec.h
index 283dd8f..06685cf 100644
--- a/src/codec/SkJpegCodec.h
+++ b/src/codec/SkJpegCodec.h
@@ -10,14 +10,11 @@
 
 #include "SkCodec.h"
 #include "SkImageInfo.h"
-#include "SkJpegDecoderMgr.h"
-#include "SkJpegUtility_codec.h"
+#include "SkSwizzler.h"
 #include "SkStream.h"
 #include "SkTemplates.h"
 
-extern "C" {
-    #include "jpeglib.h"
-}
+class JpegDecoderMgr;
 
 /*
  *