[DLPack] Implement C functions exchange API #75650
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PR Category
Execute Infrastructure
PR Types
New features
Description
Implement C functions for speed dlpack exchange and stream handling. Refer to https://github.com/apache/tvm-ffi/blob/main/python/tvm_ffi/_optional_torch_c_dlpack.py and dmlc/dlpack#174
We need merge 3
__c_dlpack_*methods to__c_dlpack_exchange_api__after dmlc/dlpack#174 merged.