Additional MediaRouter2Info wired route types

Missing route types added: LINE_DIGITAL, LINE_ANALOG, AUX_LINE

Bug: 375691732
Test: atest AudioDeviceInfoTest
Test: atest MediaRouter2HostSideTest
Test: atest CtsMediaBetterTogetherTestCases
Flag: com.android.media.flags.enable_new_wired_media_route_2_info_types

Change-Id: I39512b4d08e4563a54c0ea60c43df559c06b59d8