Remove SkAutoTUnref and SkAutoTDelete from public includes.

tools/gpu/vk/VkTestContext.h

Index: tools/gpu/vk/VkTestContext.h
diff --git a/tools/gpu/vk/VkTestContext.h b/tools/gpu/vk/VkTestContext.h
index 5c6408a5491e4ef7199b7ea5ab618ac1a0d0d606..ecec17b7dc08f6d4a31b2f128707fae1d0bd8a22 100644
--- a/tools/gpu/vk/VkTestContext.h
+++ b/tools/gpu/vk/VkTestContext.h
@@ -24,7 +24,7 @@ public:
 
     bool isValid() const override { return NULL != this->vk(); }
 
-    const GrVkInterface* vk() const { return fVk->fInterface; }
+    const GrVkInterface* vk() const { return fVk->fInterface.get(); }
 
 protected:
     VkTestContext(sk_sp<const GrVkBackendContext> vk) : fVk(std::move(vk)) {}