Merge pull request !1030 from liyong126/mindrecord_remove_dead_code

Merge pull request !1106 from ghzl/add-enable-dump-log-info

Merge pull request !1137 from wandongdong/master

Merge pull request !1147 from yihuaijie/master

Merge pull request !1154 from chenfei_mindspore/add-child-graph-to-kernel-graph

Merge pull request !1144 from guozhijian/fix_minddataset_distribute_param_check

Merge pull request !1132 from lianliguang/add-attr-op-pattern-to-kernel-build-info

Merge pull request !1080 from zhouyuanshen/master

Merge pull request !1153 from caifubi/setcontext-donot-change-loopsink

Merge pull request !1150 from VectorSL/gpu-update-shapeinfer

Merge pull request !1149 from panyifeng/fix_pylint

Merge pull request !1146 from Etone.Chan/master

Merge pull request !1148 from liubuyu/master

Merge pull request !1084 from SanjayChan/04quant

Merge pull request !995 from SJN/master

Merge pull request !1089 from ghzl/add-get-lr-base-on-parameter

Merge pull request !1139 from JesseKLee/timing_hole

Merge pull request !1131 from xulei/filter_op

Merge pull request !1140 from cathwong/ckw_dataset_ut_unskip1

Merge pull request !1069 from 李鸿章/context_manager

Merge pull request !1094 from zhouneng/add_vm_support_l2normalize

Merge pull request !1115 from wangcong/master

Merge pull request !1128 from Margaret_wangrui/master

Merge pull request !1121 from lihongkang/master

Merge pull request !924 from chenweifeng/dataset