* add timeout unittests retry

* modifed parameter use

* add failed unittests retry on win system

* modified the value of retry times

* Modify data download function, and support unittests of inference APIs on windows, test=develop

* The import error compatible with py2 and py3, and fix unittests problems of inference APIs on Windows, test=develop

show unittest time even if unittest failed

* turn on WITH_INFERENCE_API_TEST

* Count the time and packet size on windows

* fix conflit

* fix conflit

* fix conflit

* fix date-time funciton

set default python3,fix incompatible,cache dir for third party,unify error code,for windows (#26178)

* set default python3 for paddle windows,test=win

* set default python3,cache dir for third party,error code,test=win

* fix some incompatible

* fix some error

* set virtual environment,test=win

* Fixed compile warning about incorrect compile options,fix paddle_build.bat

* fix paddle_build.bat to more safe

windows CI scripts for xly