statistics: add the SetIndicators API

[Rustin170506]

What problem does this PR solve?

Issue Number: ref #55906

Problem Summary:

What changed and how does it work?

1. Added the SetIndicators API to update the indicators of jobs.
2. Added a util function IsDynamicPartitionedTableAnalysisJob to check if the job is a dynamic partitioned table analysis job.

Check https://github.com/pingcap/tidb/pull/55889/files#r1772550852 to see how we use it.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 6 lines in your changes missing coverage. Please review.

Project coverage is 75.7826%. Comparing base (ad68216) to head (3a3b6c6).
Report is 7 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #56248        +/-   ##
================================================
+ Coverage   73.4166%   75.7826%   +2.3660%     
================================================
  Files          1601       1623        +22     
  Lines        443902     455079     +11177     
================================================
+ Hits         325898     344871     +18973     
+ Misses        98053      89267      -8786     
- Partials      19951      20941       +990     

Flag	Coverage Δ
integration	51.1250% <0.0000%> (?)
unit	72.8371% <33.3333%> (+0.3595%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	52.9478% <ø> (ø)
parser	∅ <ø> (∅)
br	52.9451% <ø> (+7.0555%)	⬆️

[Rustin170506]

🔢 Self-check (PR reviewed by myself and ready for feedback.)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AilinKid, qw4990

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-24 04:06:13.051768738 +0000 UTC m=+1538842.792192688: ☑️ agreed by qw4990.
• 2024-09-24 07:34:36.290439974 +0000 UTC m=+1551346.030863911: ☑️ agreed by AilinKid.