[lldb] Handle simulator printout in TestSimulatorPlatform (cherry-pick)#12857

Teemperor wants to merge 2 commits intoswiftlang:stable/21.xswiftlang/llvm-project:stable/21.xfrom

Teemperor:cherry_918e446ef28ac97df20d6ef2bd50c78e2fe903acTeemperor/llvm-project:cherry_918e446ef28ac97df20d6ef2bd50c78e2fe903acCopy head branch name to clipboard