audiopolicy: add update uid state after the change of phone mode

The capture data will be silenced during voice call, but it can't
be resumed instantly if setting mode back to normal is later than
restarting input and updating uid state when hanging up voice call
until next time uid state changing.

Add uid state update when phone state is changing.

Bug: 184920496
Test: make

Change-Id: I54276af1ab89821b681250c8c68ef2d21fb45a6f