[Fuzzer] Rename ExecuteCommandWithPopen to ExecuteCommandNon-Fushsia target will keep using popen/pclose implementation. OnFuchsia, Two-args version of `ExecuteCommand` is a simple wrapper of theone-arg version. (Hopefully) Fix D73329 build on Fuchsia.

GitOrigin-RevId: 4caeb62e51381446b9ddeb2508a4fc77d03fcf70
5 files changed