Sort imports

Having consistent import order will reduce chance of merge
conflict between internal and external master

Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b

src/com/android/settings/display/NightDisplaySettings.java

@@ -22,6 +22,8 @@ import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
 
+import androidx.preference.Preference;
+
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
@@ -35,8 +37,6 @@ import java.time.LocalTime;
 import java.util.ArrayList;
 import java.util.List;
 
-import androidx.preference.Preference;
-
 /**
  * Settings screen for Night display.
  */