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/gestures/PickupGesturePreferenceController.java

@@ -27,8 +27,6 @@ import android.text.TextUtils;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 
-import androidx.annotation.VisibleForTesting;
-
 public class PickupGesturePreferenceController extends GesturePreferenceController {
 
     private static final int ON = 1;