SpatializerHelper: report head tracking disabled

"disconnect" head tracking APIs when headtracking is not
supported so UI doesn't attempt to expose HT properties
for audio devices.

Bug: 226474336
Test: atest android.media.audio.cts.SpatializerTest
Change-Id: Ie98da0fec60e9173fd984c3cf4b7ce1bae03f56a
1 file changed