Update RT views and framebuffer in vulkan after mipmaping

src/gpu/vk/GrVkRenderTarget.cpp

Index: src/gpu/vk/GrVkRenderTarget.cpp
diff --git a/src/gpu/vk/GrVkRenderTarget.cpp b/src/gpu/vk/GrVkRenderTarget.cpp
index 708af7970e3b32d911a548aa71ba7688d1b35209..83a4b44a59562e5d3fae11bc21260951dcb2f542 100644
--- a/src/gpu/vk/GrVkRenderTarget.cpp
+++ b/src/gpu/vk/GrVkRenderTarget.cpp
@@ -33,10 +33,10 @@ GrVkRenderTarget::GrVkRenderTarget(GrVkGpu* gpu,
     , GrVkImage(info, wrapped)
     // for the moment we only support 1:1 color to stencil
     , GrRenderTarget(gpu, desc, kUnified_SampleConfig)
-    , fFramebuffer(nullptr)
     , fColorAttachmentView(colorAttachmentView)
     , fMSAAImage(new GrVkImage(msaaInfo, GrVkImage::kNot_Wrapped))
     , fResolveAttachmentView(resolveAttachmentView)
+    , fFramebuffer(nullptr)
     , fCachedSimpleRenderPass(nullptr) {
     SkASSERT(desc.fSampleCnt);
     // The plus 1 is to account for the resolve texture.
@@ -58,10 +58,10 @@ GrVkRenderTarget::GrVkRenderTarget(GrVkGpu* gpu,
     , GrVkImage(info, wrapped)
     // for the moment we only support 1:1 color to stencil
     , GrRenderTarget(gpu, desc, kUnified_SampleConfig)
-    , fFramebuffer(nullptr)
     , fColorAttachmentView(colorAttachmentView)
     , fMSAAImage(new GrVkImage(msaaInfo, GrVkImage::kNot_Wrapped))
     , fResolveAttachmentView(resolveAttachmentView)
+    , fFramebuffer(nullptr)
     , fCachedSimpleRenderPass(nullptr) {
     SkASSERT(desc.fSampleCnt);
     // The plus 1 is to account for the resolve texture.
@@ -80,10 +80,10 @@ GrVkRenderTarget::GrVkRenderTarget(GrVkGpu* gpu,
     : GrSurface(gpu, desc)
     , GrVkImage(info, wrapped)
     , GrRenderTarget(gpu, desc, kUnified_SampleConfig)
-    , fFramebuffer(nullptr)
     , fColorAttachmentView(colorAttachmentView)
     , fMSAAImage(nullptr)
     , fResolveAttachmentView(nullptr)
+    , fFramebuffer(nullptr)
     , fCachedSimpleRenderPass(nullptr) {
     SkASSERT(!desc.fSampleCnt);
     fColorValuesPerPixel = 1;
@@ -101,10 +101,10 @@ GrVkRenderTarget::GrVkRenderTarget(GrVkGpu* gpu,
     : GrSurface(gpu, desc)
     , GrVkImage(info, wrapped)
     , GrRenderTarget(gpu, desc, kUnified_SampleConfig)
-    , fFramebuffer(nullptr)
     , fColorAttachmentView(colorAttachmentView)
     , fMSAAImage(nullptr)
     , fResolveAttachmentView(nullptr)
+    , fFramebuffer(nullptr)
     , fCachedSimpleRenderPass(nullptr) {
     SkASSERT(!desc.fSampleCnt);
     fColorValuesPerPixel = 1;
@@ -117,6 +117,7 @@ GrVkRenderTarget::Create(GrVkGpu* gpu,
                          const GrSurfaceDesc& desc,
                          const GrVkImageInfo& info,
                          GrVkImage::Wrapped wrapped) {
+    SkASSERT(1 == info.fLevelCount);
     VkFormat pixelFormat;
     GrPixelConfigToVkFormat(desc.fConfig, &pixelFormat);