Update tests in response to API change

Bug: b/362507305
Test: atest CtsMediaBetterTogetherTestCases:android.media.router.cts.SystemMediaRoutingTest
Flag: com.android.media.flags.enable_mirroring_in_media_router_2
Change-Id: Ia3074f3486ef24893666ff6a1bec0793fff795e2
1 file changed