onnxruntime

dee75967 - Add a generic collection of session configurations to the SessionOptions (#4718)

Add a generic collection of session configurations to the SessionOptions (#4718) * adding generic configurations for session options * fix a build break on linux * fix training ci build break * fix training ci build break * addressed CR comments * fix traning ci build break * move config_key from enum to string * add c# api * add python api * fix build break * move prepacking from 2 new api entries to session options configs * fix traning ci build break * add python test, update some comments, move const key definition to avoid build break * addressed comments * move definitions of keys to common.h * move api to version 5 * remove accidental change in build.py * remove pragma to avoid build break * addressed CR comments * fix the python build break, and move location of config keys definition * small typo changes