mv sampcd_processor.py to tools/ (#20761) (#20785)

test=release/1.6 test=document_fix

paddle/scripts/paddle_build.sh

@@ -1017,6 +1017,7 @@ function build_document_preview() {
 function example() {
     pip install ${PADDLE_ROOT}/build/python/dist/*.whl
     paddle version
+    cp ${PADDLE_ROOT}/tools/sampcd_processor.py ${PADDLE_ROOT}/python/paddle/fluid
     cd ${PADDLE_ROOT}/python/paddle/fluid
     python sampcd_processor.py cpu 
     if [ "$?" != "0" ];then