I’m having the same issue. My dog knocked my pixel 2 xl off the counter last night and everything seemed fine at first. Then about 5 minutes later YouTube crashed and the phone restarted. When it turned back on apps were crashing left and right and when I was able to load a video or song no audio would come through the speakers. I have been having issues with my usb port for over a year now too so I’m not sure if fixing that will resolve the issues. Worst case, I’m worried it’s going to require a new motherboard.
I’ve regrettably performed a factory reset on it with no luck. So now I have to go through the savage task of finding all of my account login details again. If I find a result I’ll be sure to leave it here…