[lldb] [llvm] [LLDB][Minidump] Make workaround for the Dynamic loader issue (PR #120166)

[Jacob Lalonde via llvm-commits]

Jlalond wrote:

> I don't find the "MinidumpParser does not distinguish empty/missing streams" argument particularly convincing, since the underlying llvm class (`MinidumpFile`) does distinguish them and a `MinidumpParser::ContainsStream()` function would be a lot simpler than this magic handling code.

After looking at your review, I agree. I'm not sure why I didn't want to add more features to Minidump parser, but this is much much cleaner now.

https://github.com/llvm/llvm-project/pull/120166