Created by: Channingss
update ops's unittest of elementwise_div, matmul…
- update the unittests of elementwise_mul, elementwise_div and matmul with input data shape over 100.
- update the unittests of tahn and matmul with input data type(FP32->FP64).
- remove mul from op_accuracy_white_list. fix #22542 (closed)