Add ci check for error threshold (#22158)

tools/check_api_approvals.sh

@@ -31,6 +31,7 @@ API_FILES=("CMakeLists.txt"
            "python/paddle/fluid/tests/unittests/white_list/op_accuracy_white_list.py"
            "python/paddle/fluid/tests/unittests/white_list/compile_vs_runtime_white_list.py"
            "python/paddle/fluid/tests/unittests/white_list/no_check_set_white_list.py"
+           "python/paddle/fluid/tests/unittests/white_list/op_threshold_white_list.py"
            )
 
 approval_line=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000`
@@ -122,6 +123,9 @@ for API_FILE in ${API_FILES[*]}; do
       elif [ "${API_FILE}" == "python/paddle/fluid/tests/unittests/white_list/no_check_set_white_list.py" ];then
           echo_line="You must have one RD (cryoco (Recommend), luotao1 or phlrain) approval for the python/paddle/fluid/tests/unittests/white_list/no_check_set_white_list.py, which manages the white list of setting no_check_set of check_output. \n"
           check_approval 1 12407750 26615455 6836917
+      elif [ "${API_FILE}" == "python/paddle/fluid/tests/unittests/white_list/op_threshold_white_list.py" ];then
+          echo_line="You must have one RD (juncaipeng (Recommend), zhangting2020 or luotao1) approval for the python/paddle/fluid/tests/unittests/white_list/op_threshold_white_list.py, which manages the white list of error threshold for op test with float64 precision. For more information, please refer to: https://github.com/PaddlePaddle/Paddle/wiki/Upgrade-OP-Precision-to-Float64. \n"
+          check_approval 1 52520497 26615455 6836917
       else
           echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for ${API_FILE}, which manages the underlying code for fluid.\n"
           check_approval 1 3048612 46782768 12538138 6836917 32832641