Refactor CUDAAllocatorConfig to reuse AcceleratorAllocatorConfig (pytorch#150312)

# Motivation
Refactor `CUDAAllocatorConfig` to reuse `AcceleratorAllocatorConfig` and `ConfigTokenizer`. We would deprecate those option that overleap with `AcceleratorAllocatorConfig` in the following PR and keep them only for BC.

Pull Request resolved: pytorch#150312
Approved by: https://github.com/albanD
ghstack dependencies: pytorch#149601, pytorch#157908

Author: guangyey