chore: 修复单测依赖问题(忽略安卓单测)

[voidking]

解决单测安装依赖时的protobuf的冲突
https://github.com/geekan/MetaGPT/actions/runs/9888637892/job/27312995037?pr=1389
解决方案：屏蔽掉安卓相关的单测

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 31.38%. Comparing base (fa164ac) to head (20b3623).
Report is 102 commits behind head on main.

Files	Patch %	Lines
metagpt/configs/llm_config.py	33.33%	2 Missing ⚠️
metagpt/roles/researcher.py	0.00%	1 Missing ⚠️
metagpt/utils/stream_pipe.py	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1397      +/-   ##
==========================================
- Coverage   33.63%   31.38%   -2.26%     
==========================================
  Files         320      319       -1     
  Lines       19083    19371     +288     
==========================================
- Hits         6419     6080     -339     
- Misses      12664    13291     +627     

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