[compiler-rt] [asan][test] Fix flake in asan_lsan_deadlock test (PR #141145)

[Florian Mayer via llvm-commits]

fmayer wrote:

> Before landing I do want to get confirmation that the SUMMARY bit wasn't intended to be proof that the deadlock can't happen.

I am pretty sure when it deadlocks it will just time out.

https://github.com/llvm/llvm-project/pull/141145