Add GrVkCopyPipeline to handle vulkan copies as draws

src/gpu/vk/GrVkCommandBuffer.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 GrVkCommandBuffer_DEFINED
 #define GrVkCommandBuffer_DEFINED
 
@@ skipping 60 matching lines @@
 
     void bindDescriptorSets(const GrVkGpu* gpu,
                             GrVkPipelineState*,
                             VkPipelineLayout layout,
                             uint32_t firstSet,
                             uint32_t setCount,
                             const VkDescriptorSet* descriptorSets,
                             uint32_t dynamicOffsetCount,
                             const uint32_t* dynamicOffsets);
 
+    void bindDescriptorSets(const GrVkGpu* gpu,
+                            const SkTArray<const GrVkRecycledResource*>&,
+                            const SkTArray<const GrVkResource*>&,
+                            VkPipelineLayout layout,
+                            uint32_t firstSet,
+                            uint32_t setCount,
+                            const VkDescriptorSet* descriptorSets,
+                            uint32_t dynamicOffsetCount,
+                            const uint32_t* dynamicOffsets);
+
     void setViewport(const GrVkGpu* gpu,
                      uint32_t firstViewport,
                      uint32_t viewportCount,
                      const VkViewport* viewports);
 
     void setScissor(const GrVkGpu* gpu,
                     uint32_t firstScissor,
                     uint32_t scissorCount,
                     const VkRect2D* scissors);
 
@@ skipping 238 matching lines @@
     }
 
     void onFreeGPUData(const GrVkGpu* gpu) const override {}
 
     friend class GrVkPrimaryCommandBuffer;
 
     typedef GrVkCommandBuffer INHERITED;
 };
 
 #endif