tests: Update const correctness

Const correctness relevant to PreCallValidateCreateBufferView() updated.

Change-Id: I6bf39a2eb868856f29f3d362d3cc20546c6ad179
diff --git a/layers/buffer_validation.h b/layers/buffer_validation.h
index 3e38b82..aa3f250 100644
--- a/layers/buffer_validation.h
+++ b/layers/buffer_validation.h
@@ -198,14 +198,14 @@
                                     const VkImageSubresourceLayers *subresource_layers, char const *func_name, char const *member,
                                     uint32_t i);
 
-bool ValidateBufferUsageFlags(layer_data *dev_data, BUFFER_STATE const *buffer_state, VkFlags desired, bool strict,
+bool ValidateBufferUsageFlags(const layer_data *dev_data, BUFFER_STATE const *buffer_state, VkFlags desired, bool strict,
                               const std::string &msgCode, char const *func_name, char const *usage_string);
 
 bool PreCallValidateCreateBuffer(layer_data *dev_data, const VkBufferCreateInfo *pCreateInfo);
 
 void PostCallRecordCreateBuffer(layer_data *device_data, const VkBufferCreateInfo *pCreateInfo, VkBuffer *pBuffer);
 
-bool PreCallValidateCreateBufferView(layer_data *dev_data, const VkBufferViewCreateInfo *pCreateInfo);
+bool PreCallValidateCreateBufferView(const layer_data *dev_data, const VkBufferViewCreateInfo *pCreateInfo);
 
 void PostCallRecordCreateBufferView(layer_data *device_data, const VkBufferViewCreateInfo *pCreateInfo, VkBufferView *pView);