Reset callNetworkType and CallQuality after calls

When the PreciseCallState is not active, we can zero-out/reset the
callNetworkType and CallQuality. This way we don't return the cached
value when the next call comes.

Bug: 125342572
Test: manual
Change-Id: I8cb34b43bc5983be9c2b5576a1c797907518ecc9
1 file changed