Merge "Bug fix for libmediautils_fuzzer_scheduling_policy_service"

    const sp<IServiceManager> sm(defaultServiceManager());

    if (sm != nullptr) {

        const String16 name("batterystats");

        batteryStatService = checked_interface_cast<IBatteryStats>(sm->checkService(name));

        if (batteryStatService == nullptr) {

        sp<IBinder> obj = sm->checkService(name);

        if (!obj) {

            ALOGW("batterystats service unavailable!");

            return nullptr;

        }

        batteryStatService = checked_interface_cast<IBatteryStats>(obj);

        if (batteryStatService == nullptr) {

            ALOGW("batterystats service interface is invalid");

            return nullptr;

        }

    }

    return batteryStatService;

}