1. Use static 'name' and 'symbol' for TraceInfo, avoid copy them;
2. Refactor DebugInfo, move 'debug_id' down to GraphDebugInfo;
3. Make Location, TraceContext immutable;
4. Optimize trace context stack, use value instead of shared_ptr;
5. TraceInfo, DebugInfo no longer inherit from Base.

Fix pclint for debugger

fix bugs

fix duplicated code issue

Fix the depth of method over 4 issue

fix comments

fix CI errors

remove redundancy arguments

Merge pull request !24986 from huanghui/change-log-level

Merge pull request !24874 from chenfei_mindspore/code_clean_1012

Merge pull request !23799 from sabrinasun_59ee/heartbeat

Merge pull request !24593 from YuJianfeng/master

Merge pull request !24455 from john_tzanakakis/jt_bug_fixes

Merge pull request !24439 from parastooashtari/offline_dbg_bug

Merge pull request !24112 from huanghui/code-self-check-0926

Merge pull request !24079 from sabrinasun_59ee/warning

Merge pull request !24054 from yelihua/dev

Merge pull request !23599 from zhouyaqiang0/complex_ops

Merge pull request !23940 from zhaosida/code_clean_master

Merge pull request !23944 from parastooashtari/multi_root_graph_gpu

Merge pull request !23947 from TinaMengtingZhang/fix_online_dbg_terminate_1

Merge pull request !23874 from Margaret_wangrui/pclint_clean

Merge pull request !23566 from parastooashtari/multi_root_graph_gpu

Merge pull request !23823 from sabrinasun_59ee/warning

Merge pull request !23509 from sabrinasun_59ee/version

Merge pull request !23702 from zhangzhaoju/master_pclint

Merge pull request !23711 from maning202007/master

Merge pull request !23709 from yelihua/dev

Merge pull request !23697 from huanghui/clean-warnings-0917