devtools/v23/internal: re-enable TestLifeOfAnApp test on Darwin.
devtools/v23/internal: re-enable TestLifeOfAnApp test on Darwin.

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Change-Id: I6c8934f006f136b6a97d4c98968d73d6791f5614

vanadium/go.devtools,vanadium/go.devtools,vanadium/go.devtools