Argh, this smells like the audio latency issue. An issue with 500 comments pleading Google to do something about it for 4 years. Ladies and gentlemen, I give you issue #3434:

https://code.google.com/p/android/issues/detail?id=3434

There has been some improvement lately but it is hard to find devices that support the "special" low latency mode.

This sounds like a similar thing. Just pointing out the level or response and engagement you'd expect from Google (hint: almost none).