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Motivation
Fixes command line tool has a reference to Lifecycle module #332
On El Capitan, it has been demonstrated that the CoreSimulatorService daemon can become unstable after it has been running for a long time. This PR improves the:
tool by directing it to KILL the CoreSimulatorService daemon.
If you are seeing FIFO errors in CI (or even locally), try integrating this command into your workflow.
Please note that the service takes a long time (seconds) to restart so don't call this obsessively.