Merge "Fix the bug of showing the "Smooth display" item in the search result." into rvc-dev

import androidx.annotation.VisibleForTesting;

import androidx.preference.Preference;

import androidx.preference.PreferenceScreen;

import androidx.preference.SwitchPreference;

import com.android.settings.R;

import com.android.settings.core.TogglePreferenceController;

    @VisibleForTesting float mPeakRefreshRate;

    private static final String TAG = "RefreshRatePrefCtr";

    private static final String KEY_PEAK_REFRESH_RATE_DEFAULT = "peak_refresh_rate_default";

    private static final float INVALIDATE_REFRESH_RATE = -1f;

    private final Handler mHandler;

    public PeakRefreshRatePreferenceController(Context context, String key) {

        super(context, key);

        mHandler = new Handler();

        mHandler = new Handler(context.getMainLooper());

        mDeviceConfigDisplaySettings = new DeviceConfigDisplaySettings();

        mOnDeviceConfigChange =

                new IDeviceConfigChange() {