taimen: fix voip on voice-hac-handset

1. add voip/playback path for voice-hac-handset
2. clean up below error
05-29 10:50:06.501   747  1309 E audio_route: unable to find sub path 'bt-sco-headset'
05-29 10:50:06.501   747  1309 E audio_route: unable to find sub path 'bt-sco-headset-wb'
05-29 10:50:06.501   747  1309 E audio_route: unable to find sub path 'bt-sco-headset'
05-29 10:50:06.501   747  1309 E audio_route: unable to find sub path 'bt-sco-headset-wb'
3. fix btsco path for mmap-playback

Bug: 79728803
Test: enable HAC in VOIP call and no error log
Change-Id: I6c85315a39d505b09d6ed9f900ead17dc78e0084
Signed-off-by: Carter Hsu <carterhsu@google.com>
1 file changed