With nine Google Home devices all over the house, I say "Hey/OK Google dozens of times a day. My phone usually acknowledges (without answering) and I know there is nothing I can do about that unless I want to disable hey/ok Google on my Note. I don't. But, just recently my phone has started to play a system sound when it hears "hey/ok Google". That's annoying. It hasn't always done this. I can't seem to find (on the phone or by Googling the answer) a way to turn off the sound. Not sure how or why it started in the first place. Can anyone help please?