* update paddle_fluid.so to paddle_inference.so

* Add the strategy of skipping cc/cu test compilation and execution in CI, test=develop

* fix if error with CI_SKIP_TEST, test=develop

* fix add properties to test error on Linux/MAC, test=develop

* fix set test properties of test_code_generator error, test=develop

* remove test codes and advance judgment of file modification on Linux, test=develop

* rename CI_SKIP_TEST to CI_SKIP_CPP_TEST, test=document_fix

* Add branch judgement on Linux, test=develop

* fix win ci failure, test=develop

* add ci test, test=develop

[UT] fix run type of ut test cases of test_train_recognize_digits and test_api_impl, test=develop (#27218)

faster build by reduce by-product, reduce linking library and fix compile warning of std=c++11 (#22164)

* add parallel build script to ci test=develop
* 1. classify the test case as single card/two cards/multiple cards type
   2. run test case according to the run type

test=develop