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/tests/VkWrapTests.cpp b/tests/VkWrapTests.cpp
index 9672e2d..ead96d8 100644
--- a/tests/VkWrapTests.cpp
+++ b/tests/VkWrapTests.cpp
@@ -14,9 +14,9 @@
 #include "include/gpu/vk/GrVkVulkan.h"
 
 #include "include/gpu/GrBackendSurface.h"
-#include "include/gpu/GrRenderTarget.h"
 #include "include/gpu/GrTexture.h"
 #include "src/gpu/GrContextPriv.h"
+#include "src/gpu/GrRenderTarget.h"
 #include "tools/gpu/GrContextFactory.h"
 
 #include "include/gpu/vk/GrVkTypes.h"