* delivery skip_gc_vars from the main graph to each subgraph compiled by CINN

* rearrange format and annotation

* fix lacking namespace

* fix segmentation fault cinn subgraph doesn't own kSkipGcVarNames

* deliver all skip_gc_vars of main graph

* add vlog for skip_gc_vars

* cinn use interpretercore

* fix bug

* fix compile bug

* fix scope bug

* refine code

* refine code by comment

* refine code by comment

* remove using lodtensor part1

* polish history code format

* swith to PE execution in cinn launch

* fix outer variables erased

* skip the map bug temporarily for test

* temporary solution for batch_norm bug

* update comment

* fix compile error

* cinn_instruction_run_op_test: update code to skip external alloc/free instructions generated

* build a Paddle Graph from CINN compiled program for execution with PE

* update names of some variables

* fix random fail in build_cinn_pass_test and update some comments

* fix compiler error by merging phi pr

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* Unify paddle/pten::framework::ddim into pten::ddim

* fix paddle namespace

* compile sucessfully

* fix npu src file

* fix conflict

* fix conflict

* fix tensorrt compiler error

* fix conflict

* fix conflict

* fix tesst file conflict

* fix conflict

* fix mlu file conflict

* fix mlu file conflict

* fix cinn header file conflict

* fix conflict

* fix conflict

* fix conflict

* fix conflict

* add cinn_instruction_run_op test code

* update several interfaces of CinnLaunchContext

* update several interfaces and add detail comments in CinnLaunchContext class

* to skip the bug of error message check

* fix ut test failed due to reliant interface updated

* add cinn_instruction_run_op for launching execution of a cinn instruction

* fix multi definition compilation error

* update cmake

* fix bug at infershape

* fix compile error due to lacking header file

cinn_launch_op： cache scope and place on CinnLaunchContext to skip duplicate alloc/free callback construction

1. add a subdirectory named `cinn` in `paddle/fluid/operators` directory and move releated files into it
2. seperate CinnLaunchContext class from `cinn_launch_op.h` and put it in a  new independent file named `cinn_launch_context.h`, so that it can be included by others clearly.