Lint

Add llm_methods metadata to multimethod PTE export #68939

Job	Run time
android-java-format	13s
link-check / lint-file-size	10s
Get changed files / get-changed-files	3s
link-check / lint-urls	12s
link-check / lint-xrefs	11s
lintrunner	48s
lintrunner-mypy	2m 57s
	4m 34s

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