Give time to free the port when shutting down apache on OSX.

Sometimes the next perf test would try to start the http server,
but the port wouldn't be available. This matches what we do on Linux.

In the long run, we should use a random port to avoid having to wait.


Review URL:

Cr-Mirrored-Commit: ee7945e1b23cb7c7f92c40ec69deadfcd4799270
1 file changed
tree: c283b921244d41ce2eee0ce75a429fdc33fd5d2c
  1. google/