Make GrSamplerState.h and GrRenderTarget.h private

Change-Id: Id7a270f5a528e1a4a6d94474fa092545252753b3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/234667
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrTextureRenderTargetProxy.cpp b/src/gpu/GrTextureRenderTargetProxy.cpp
index 3d17a67..8e91bff 100644
--- a/src/gpu/GrTextureRenderTargetProxy.cpp
+++ b/src/gpu/GrTextureRenderTargetProxy.cpp
@@ -7,9 +7,9 @@
 
 #include "src/gpu/GrTextureRenderTargetProxy.h"
 
-#include "include/gpu/GrRenderTarget.h"
 #include "include/gpu/GrTexture.h"
 #include "src/gpu/GrCaps.h"
+#include "src/gpu/GrRenderTarget.h"
 #include "src/gpu/GrSurfacePriv.h"
 #include "src/gpu/GrSurfaceProxyPriv.h"
 #include "src/gpu/GrTexturePriv.h"