[1/n] Aspect ratio settings app list refinement

All apps list for work profile currently only shows work apps that are
also installed on the normal user. Update filter for list to show all
launcher apps for both users in their respective lists.

Fixes: 301373413
Test: atest SettingsUnitTests:UserAspectRatioManagerTest
Test: atest SettingsSpaUnitTests:UserAspectRatioAppPreferenceTest
Change-Id: Ia0bf15340d1b37dcd926d81598d3e94f448a46fc