Created by: songyouwei
- Sequence相关单测文件重命名
- test_seq_conv.py → test_sequence_conv.py
- test_seq_pool.py → test_sequence_pool.py
- OpTest增加batch size为1的输入的获取方法:get_sequence_batch_size_1_input
- sequence_pool op添加一个batch为1的输入的单测(使用get_sequence_batch_size_1_input)