Move SkReadBuffer.h and SkReader32.h out of include.

Committed: https://skia.googlesource.com/skia/+/2a51d7c74cec217195f861677de8998b382b39e4

R=mtklein@google.com, reed@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/481053002
diff --git a/gyp/core.gypi b/gyp/core.gypi
index b6b0ef1..3546638 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -155,7 +155,9 @@
         '<(skia_src_path)/core/SkQuadTree.h',
         '<(skia_src_path)/core/SkRasterClip.cpp',
         '<(skia_src_path)/core/SkRasterizer.cpp',
+        '<(skia_src_path)/core/SkReadBuffer.h',
         '<(skia_src_path)/core/SkReadBuffer.cpp',
+        '<(skia_src_path)/core/SkReader32.h',
         '<(skia_src_path)/core/SkRecordAnalysis.cpp',
         '<(skia_src_path)/core/SkRecordAnalysis.h',
         '<(skia_src_path)/core/SkRecordDraw.cpp',
@@ -287,7 +289,6 @@
         '<(skia_include_path)/core/SkPoint.h',
         '<(skia_include_path)/core/SkPreConfig.h',
         '<(skia_include_path)/core/SkRasterizer.h',
-        '<(skia_include_path)/core/SkReader32.h',
         '<(skia_include_path)/core/SkRect.h',
         '<(skia_include_path)/core/SkRefCnt.h',
         '<(skia_include_path)/core/SkRegion.h',