Revert "[lldb] Fix TestSharedLibStrippedSymbols for #90622"

And "LLDB Debuginfod tests and a fix or two (#90622)".

f8fedfb6 /
2d4acb08

As it has caused a test failure on 32 bit Arm:
https://lab.llvm.org/buildbot/#/builders/17/builds/52580

Expr/TestStringLiteralExpr.test. The follow up did fix
lang/c/shared_lib_stripped_symbols/TestSharedLibStrippedSymbols.py
but not the other failure.