Add CDI devices to device plugin API

This KEP proposes extending the Device Plugin API, adding a field to specify Container Device Interface (CDI) device IDs in the AllocateResponse. This supplements the existing fields such as annotations and allows device plugin implementations to uniquely specify devices using their fully-qualified CDI devices names. The recent addition of CDI device IDs to the CRI structures in #3731 allow these IDs to be forwarded to the CRI runtimes in a secure manner. Although these changes were motivated by KEP-3063, adding support for these fields to the existing device plugin API allows this mechanism to also be used for devices supported by these plugins.