Bug: 30681771 Test: SettingsUnitTests Refactor visibility logging from InstrumentedFragment into a mixin. And apply mixin in remaining fragments. Change-Id: Ibbb59904336254a3e4bb9e8c7d0b36e5a6bc2622
Fixes: 27657256 Change-Id: I396eb9ba71f51fed517d7f958873369bc0ab011e