Fix borrowed GrVkImage::Resource.

src/gpu/vk/GrVkImage.cpp

Index: src/gpu/vk/GrVkImage.cpp
diff --git a/src/gpu/vk/GrVkImage.cpp b/src/gpu/vk/GrVkImage.cpp
index a61d934b72d2ea384334a1540f85aa9e53d78008..729c62794d83069b22ca6338abf5f4f000258feb 100644
--- a/src/gpu/vk/GrVkImage.cpp
+++ b/src/gpu/vk/GrVkImage.cpp
@@ -113,3 +113,6 @@ void GrVkImage::Resource::freeGPUData(const GrVkGpu* gpu) const {
     VK_CALL(gpu, DestroyImage(gpu->device(), fImage, nullptr));
     VK_CALL(gpu, FreeMemory(gpu->device(), fAlloc, nullptr));
 }
+
+void GrVkImage::BorrowedResource::freeGPUData(const GrVkGpu* gpu) const {
+}