Add MoE support to runtime stats

[grzegorz-k-karch]

What does this PR do?

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Codecov Report

❌ Patch coverage is 0% with 117 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.18%. Comparing base (e96d7a2) to head (558cf70).
⚠️ Report is 16 commits behind head on main.

Files with missing lines	Patch %	Lines
...ch/puzzletron/subblock_stats/calc_runtime_stats.py	0.00%	86 Missing ⚠️
...t/torch/puzzletron/subblock_stats/runtime_utils.py	0.00%	28 Missing ⚠️
...pt/torch/puzzletron/subblock_stats/runtime_vllm.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1973       +/-   ##
===========================================
- Coverage   77.79%   62.18%   -15.61%     
===========================================
  Files         519      523        +4     
  Lines       57926    61153     +3227     
===========================================
- Hits        45064    38031     -7033     
- Misses      12862    23122    +10260     

Flag	Coverage Δ
unit	55.30% <0.00%> (+0.09%)	⬆️

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