Update RT views and framebuffer in vulkan after mipmaping

src/gpu/vk/GrVkRenderTarget.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrVkRenderTarget_DEFINED
 #define GrVkRenderTarget_DEFINED
@@ skipping 85 matching lines @@
 
     // This accounts for the texture's memory and any MSAA renderbuffer's memory.
     size_t onGpuMemorySize() const override {
         SkASSERT(kUnknown_GrPixelConfig != fDesc.fConfig);
         SkASSERT(!GrPixelConfigIsCompressed(fDesc.fConfig));
         size_t colorBytes = GrBytesPerPixel(fDesc.fConfig);
         SkASSERT(colorBytes > 0);
         return fColorValuesPerPixel * fDesc.fWidth * fDesc.fHeight * colorBytes;
     }
 
+    void createFramebuffer(GrVkGpu* gpu);
+
+    const GrVkImageView*       fColorAttachmentView;
+    GrVkImage*                 fMSAAImage;
+    const GrVkImageView*       fResolveAttachmentView;
+
 private:
     GrVkRenderTarget(GrVkGpu* gpu,
                      SkBudgeted,
                      const GrSurfaceDesc& desc,
                      const GrVkImageInfo& info,
                      const GrVkImageInfo& msaaInfo,
                      const GrVkImageView* colorAttachmentView,
                      const GrVkImageView* resolveAttachmentView,
                      GrVkImage::Wrapped wrapped);
 
     GrVkRenderTarget(GrVkGpu* gpu,
                      SkBudgeted,
                      const GrSurfaceDesc& desc,
                      const GrVkImageInfo& info,
                      const GrVkImageView* colorAttachmentView,
                      GrVkImage::Wrapped wrapped);
 
     static GrVkRenderTarget* Create(GrVkGpu*, SkBudgeted, const GrSurfaceDesc&,
                                     const GrVkImageInfo&, GrVkImage::Wrapped wrapped);
 
     bool completeStencilAttachment() override;
 
-    void createFramebuffer(GrVkGpu* gpu);
-
     void releaseInternalObjects();
     void abandonInternalObjects();
 
     const GrVkFramebuffer*     fFramebuffer;
-    const GrVkImageView*       fColorAttachmentView;
-    GrVkImage*                 fMSAAImage;
-    const GrVkImageView*       fResolveAttachmentView;
     int                        fColorValuesPerPixel;
 
     // This is a cached pointer to a simple render pass. The render target should unref it
     // once it is done with it.
     const GrVkRenderPass*      fCachedSimpleRenderPass;
     // This is a handle to be used to quickly get compatible GrVkRenderPasses for this render target
     GrVkResourceProvider::CompatibleRPHandle fCompatibleRPHandle;
 };
 
 #endif