*: make auto-analyze killable by tidb_server_memory_limit (#39978)

[ti-chi-bot]

This is an automated cherry-pick of #39978

What problem does this PR solve?

Issue Number: close #39994 & #39971

Problem Summary:

What is changed and how it works?

Check List

Tests

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

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

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AilinKid
• time-and-fate

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[chrysan]

/run-build

[chrysan]

/run-unit-test

[chrysan]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 2dc21c4

[XuHuaiyu]

/merge

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

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[chrysan]

/run-check-dev-2