Add getDirectProfilesForAttributes

Allows any app to query AudioManager on the available direct
AudioProfiles for the specified AudioAttributes. Only the active paths
that will be actually used to output sound are returned.
go/audio-route-t

Bug: 190810951
Test: atest android.media.audio.cts.DirectAudioProfilesForAttributesTest
Change-Id: Ia5ce587addadb52725084bd32a6244577626f44d