layers: Fix indices in DrawState error message
layers: Fix indices in DrawState error message

If imageView aspect for DescriptorSet Update has both Depth and Stencil set, top-level "WriteDescriptorSet" is governed by "i" and specific descriptor within that particular WriteDescriptorSet is governed by "j".

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools