- Make SettingsPreferenceFragment implement Indexable directly - Add existing fragments that are SettingsPrefFragment but not Indexable to grandfather list. - Fix "font size" fragment so it shows up in search properly. - Remove duplicates for "lock screen display", "Screen saver". Bug: 70720645 Test: robotests Change-Id: I44ce0cac0fdf5e882b315861bb4bebc45dbe01e6