Add GrVkTexelBuffer class

Bug: skia:
Change-Id: I6111902f58df3af92702d974a52d9c7f267634d4
Reviewed-on: https://skia-review.googlesource.com/15628
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/gn/gpu.gni b/gn/gpu.gni
index 92dc7d6..1fc1488 100644
--- a/gn/gpu.gni
+++ b/gn/gpu.gni
@@ -484,6 +484,8 @@
   "$_src/gpu/vk/GrVkBackendContext.cpp",
   "$_src/gpu/vk/GrVkBuffer.cpp",
   "$_src/gpu/vk/GrVkBuffer.h",
+  "$_src/gpu/vk/GrVkBufferView.cpp",
+  "$_src/gpu/vk/GrVkBufferView.h",
   "$_src/gpu/vk/GrVkCaps.cpp",
   "$_src/gpu/vk/GrVkCaps.h",
   "$_src/gpu/vk/GrVkCommandBuffer.cpp",
@@ -537,6 +539,8 @@
   "$_src/gpu/vk/GrVkSemaphore.h",
   "$_src/gpu/vk/GrVkStencilAttachment.cpp",
   "$_src/gpu/vk/GrVkStencilAttachment.h",
+  "$_src/gpu/vk/GrVkTexelBuffer.cpp",
+  "$_src/gpu/vk/GrVkTexelBuffer.h",
   "$_src/gpu/vk/GrVkTexture.cpp",
   "$_src/gpu/vk/GrVkTexture.h",
   "$_src/gpu/vk/GrVkTextureRenderTarget.cpp",