feat(Core): When `detectCrash()` does not find an exception, send to handler.
feat(Core): When `detectCrash()` does not find an exception, send to handler.

The old behavior rethrew the exception, which in turn could take down parts of
the application and/or cause exceptions never to make it to client logging. Now
the original exception/stack is sent, along with a reason of 'Tick'.

PiperOrigin-RevId: 173464021

angulardart/angular,matanlurey/angular,matanlurey/angular,chalin/angular2,angulardart/angular,chalin/angular2,kevmoo/angular,angulardart/angular,matanlurey/angular,chalin/angular2,kevmoo/angular,kevmoo/angular