Merge "Fix for getMicMute in AudioFlinger"

    if (ret != NO_ERROR) {

        return false;

    }

    bool mute = true;

    bool state = AUDIO_MODE_INVALID;

    AutoMutex lock(mHardwareLock);

    audio_hw_device_t *dev = mPrimaryHardwareDev->hwDevice();

    mHardwareStatus = AUDIO_HW_GET_MIC_MUTE;

    dev->get_mic_mute(dev, &state);

    for (size_t i = 0; i < mAudioHwDevs.size(); i++) {

        audio_hw_device_t *dev = mAudioHwDevs.valueAt(i)->hwDevice();

        status_t result = dev->get_mic_mute(dev, &state);

        if (result == NO_ERROR) {

            mute = mute && state;

        }

    }

    mHardwareStatus = AUDIO_HW_IDLE;

    return state;

    return mute;

}

status_t AudioFlinger::setMasterMute(bool muted)