koordlet: add allpods reconciler func

[kangclzjc]

Ⅰ. Describe what this PR does

Add Allpodslevel reconciler function in case some runtime hooks may need to consume all pods at once. It's part of the #1974.

Ⅱ. Does this pull request fix one issue?

#1831

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Attention: Patch coverage is 67.92453% with 17 lines in your changes missing coverage. Please review.

Project coverage is 68.67%. Comparing base (0db9540) to head (cec725c).
Report is 7 commits behind head on main.

Files	Patch %	Lines
pkg/koordlet/runtimehooks/reconciler/reconciler.go	67.92%	12 Missing and 5 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2112      +/-   ##
==========================================
- Coverage   68.72%   68.67%   -0.05%     
==========================================
  Files         430      430              
  Lines       40125    40233     +108     
==========================================
+ Hits        27576    27632      +56     
- Misses      10189    10228      +39     
- Partials     2360     2373      +13     

Flag	Coverage Δ
unittests	68.67% <67.92%> (-0.05%)	⬇️

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[kangclzjc]

@saintube PTAL.

[saintube]

/lgtm

[saintube]

PTAL /cc @zwzhang0107 @hormes

[zwzhang0107]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: zwzhang0107

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• pkg/koordlet/OWNERS [zwzhang0107]

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