am 3fc792fe: Merge "audio policy: fix explicit routing and accessibility" into mnc-dev

    for (size_t routeIndex = 0; routeIndex < mOutputRoutes.size(); routeIndex++) {

        sp<SessionRoute> route = mOutputRoutes.valueAt(routeIndex);

        routing_strategy strat = getStrategy(route->mStreamType);

        if (strat == strategy && route->isActive()) {

        // Special case for accessibility strategy which must follow any strategy it is

        // currently remapped to

        bool strategyMatch = (strat == strategy) ||

                             ((strategy == STRATEGY_ACCESSIBILITY) &&

                              ((mEngine->getStrategyForUsage(

                                      AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY) == strat) ||

                               (strat == STRATEGY_MEDIA)));

        if (strategyMatch && route->isActive()) {

            return route->mDeviceDescriptor->type();

        }

    }