FLAG_SECURE not applying to settings dialogs (when Chromecasted)
User feedback: "Setting popups are still seen in mirrored screen, the rest is black but the popup where you can select 1 of the 2 options is still mirrored."
User feedback: "Setting popups are still seen in mirrored screen, the rest is black but the popup where you can select 1 of the 2 options is still mirrored."