[Output Switcher] Update device icon and Media metadata

1. add new route type and icons
2. update the way to get Media information to consist with UMO

Bug: 279641026
Bug: 278728942
Test: atest MediaOutputAdapterTest MediaOutputControllerTest MediaOutputBaseDialogTest MediaOutputDialogTest
Change-Id: I42f1bbc433d7471f54417332102ed7be345df5be