Work around a CPython bug that broke things on Android <24

[A5rocks]

Fixes #3493

CPython should be fine with this by 3.16, since python/cpython#156708 was merged. I think it missed the release window for 3.15, though.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00000%. Comparing base (d5eb534) to head (ecb7399).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@               Coverage Diff               @@
##                 main        #3504   +/-   ##
===============================================
  Coverage   100.00000%   100.00000%           
===============================================
  Files             128          128           
  Lines           19452        19454    +2     
  Branches         1321         1321           
===============================================
+ Hits            19452        19454    +2     

Files with missing lines	Coverage Δ
src/trio/socket.py	100.00000% <100.00000%> (ø)

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