* [test]mv fluid reader to test/

* [test]mv fluid op prim_ops to test/cpp/fluid/prim_ops

* [test]mv fluid op nccl to /test/cpp/fluid/nccl/

* [test]mv fluid op reduce_ops to test/cpp/fluid/reduce_ops

* [test]mv fluid op lite to test/cpp/fluid/lite

* [test]fix lite

* [test]fix prim op path

* [fluid]clean prim ops cmakelists

* make all cpp tests dynamic linked to libpaddle.so

* add comments

* keep old cc_test for some tests

* fix some ut

* make some ut use cc_test_old

* fix typos and fit for win32

* fix lib path

* fix some tests

* skip lite test

* fit for rocm

* fit for cinn

* fit for mac

* fit for win32

* skip inference ut

* skip  windows

* fix coverage

* update lite tag

* disable ut