Add command buffer submits before copy calls in vulkan.

src/gpu/vk/GrVkVaryingHandler.cpp

 /*
-* Copyright 2016 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
 
 #include "GrVkVaryingHandler.h"
 
 /** Returns the number of locations take up by a given GrSLType. We assume that all
     scalar values are 32 bits. */
 static inline int grsltype_to_location_size(GrSLType type) {
     static const uint32_t kSizes[] = {
         0,  // kVoid_GrSLType
         1,  // kFloat_GrSLType
         1,  // kVec2f_GrSLType
@@ skipping 57 matching lines @@
 }
 
 void GrVkVaryingHandler::onFinalize() {
     finalize_helper(fVertexInputs);
     finalize_helper(fVertexOutputs);
     finalize_helper(fGeomInputs);
     finalize_helper(fGeomOutputs);
     finalize_helper(fFragInputs);
     finalize_helper(fFragOutputs);
 }