Add EmptyGradOpMaker CI Approval (#34810)

* Add EmptyGradOpMaker CI Approval, test=develop

* Fix typo in echo_line

tools/check_file_diff_approvals.sh

@@ -228,6 +228,12 @@ if [ "${INVALID_PADDLE_CHECK}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
     check_approval 1 6836917 47554610 22561442
 fi
 
+EMPTY_GRAD_OP_REGISTERED=`echo $ALL_ADDED_LINES |grep -zoE "REGISTER_OP_WITHOUT_GRADIENT\([^;.]*\)[;\s]" || echo $ALL_ADDED_LINES |grep -zoE "[[:graph:]]*EmptyGradOpMaker<[[:graph:]]*>" || true`
+if [ "${EMPTY_GRAD_OP_REGISTERED}" != "" ] && [ "${GIT_PT_ID}" != "" ]; then
+    echo_line="You must have one RD (phlrain, XiaoguangHu01, kolinwei or JiabinYang) approval for the usage of REGISTER_OP_WITHOUT_GRADIENT or EmptyGradOpMaker.\nThe code that do not meet the specification are as follows:\n${EMPTY_GRAD_OP_REGISTERED}\n"
+    check_approval 1 43953930 46782768 22165420 22361972
+fi
+
 ALL_CHANGE_FILES=`git diff --numstat upstream/$BRANCH | awk '{print $3}' | grep ".py"`
 ALL_OPTEST_BAN_DYGRAPH_MESSAGE=""
 for CHANGE_FILE in ${ALL_CHANGE_FILES}; do