Bug: 30681771 Test: SettingsUnitTests Refactor visibility logging from InstrumentedFragment into a mixin. And apply mixin in remaining fragments. Change-Id: Ibbb59904336254a3e4bb9e8c7d0b36e5a6bc2622
Change-Id: I91c796b2c75c0ac8047ba0c2555a1036e8c6c616 Fixes: 28554048