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/RegulatoryInfoDisplayActivity.java

@@ -30,11 +30,11 @@ import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import java.util.Locale;
-
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 
+import java.util.Locale;
+
 /**
  * {@link Activity} that displays regulatory information for the "Regulatory information"
  * preference item, and when "*#07#" is dialed on the Phone keypad. To enable this feature,