Fix uninitialized variable use in Effects.cpp am: f698ff2d

#include <system/audio_effects/effect_visualizer.h>

#include <audio_utils/channels.h>

#include <audio_utils/primitives.h>

#include <media/AudioCommonTypes.h>

#include <media/AudioContainers.h>

#include <media/AudioEffect.h>

#include <media/AudioDeviceTypeAddr.h>

    bool doEnable = false;

    bool enabled = false;

    audio_io_handle_t io = AUDIO_IO_HANDLE_NONE;

    uint32_t strategy;

    uint32_t strategy = PRODUCT_STRATEGY_NONE;

    {

        Mutex::Autolock _l(mLock);