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/widget/ActionButtonPreference.java

@@ -22,12 +22,12 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;
 
-import com.android.settings.R;
-
 import androidx.annotation.StringRes;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
+import com.android.settings.R;
+
 public class ActionButtonPreference extends Preference {
 
     private final ButtonInfo mButton1Info = new ButtonInfo();