Merge "Fix typo in Engine::getDevicesForProductStrategy."

        // there is a preferred device, is it available?

        preferredAvailableDevVec =

                availableOutputDevices.getDevicesFromDeviceTypeAddrVec(preferredStrategyDevices);

        if (preferredAvailableDevVec.size() == preferredAvailableDevVec.size()) {

        if (preferredAvailableDevVec.size() == preferredStrategyDevices.size()) {

            ALOGVV("%s using pref device %s for strategy %u",

                   __func__, preferredAvailableDevVec.toString().c_str(), strategy);

            return preferredAvailableDevVec;