[BUG] Configuring GDS breaks new host spillable buffers and batches

[abellina]

As it is, #8882 has added a scenario that breaks when GDS is configured. Currently GDS is disabled by default and we are not aware of anyone using it, but I am filing this to document that GDS will break in 23.10 unless we make some changes.

The least amount of change would be to have two "paths" for spilling buffers. Buffers/batches added to the device store could go to GDS, but if GDS is enabled a RapidsHostMemoryStore and a RapidsDiskStore would also be enabled and it would be available for host buffers and host batches. These "host originated" RapidsBuffer instances would only be able to go between host and disk, whereas the "device originated" RapidsBuffer instances would be allowed to go from RapidsDeviceMemoryStore to RapidsGDSStore, bypassing host memory/disk stores.

[mattahrens]

Removing GDS support in the plugin is the next step.