Merge "Reset callNetworkType and CallQuality after calls"

                log("notifyPreciseCallState: mCallQuality is null, skipping call attributes");

                notifyCallAttributes = false;

            } else {

                // If the precise call state is no longer active, reset the call network type and

                // call quality.

                if (mPreciseCallState.getForegroundCallState()

                        != PreciseCallState.PRECISE_CALL_STATE_ACTIVE) {

                    mCallNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN;

                    mCallQuality = new CallQuality();

                }

                mCallAttributes = new CallAttributes(mPreciseCallState, mCallNetworkType,

                        mCallQuality);

            }