Add wifi call special case, fix phone, predictor, filter system

Add the wifi call special case, where if a call is ongoing while a
carrier privileged app is using microphone, the phone call usage is
removed. Ensure the phone mic op is listened for, add code to find the
predictor app, and show it, if the user is in a teamfood. Filter the
system app out, since the system app can be a location provider

Fixes: 178701757
Test: Manual
Change-Id: Ic1bf7f28c99bc0f596492332f7b4656c3bd7d25e