layers: Add todo flagging destroy while on queue
layers: Add todo flagging destroy while on queue

This starts with the case of early VkDestroySemaphore seen in demos.
It is a much larger general case of objects that are active on queues.

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