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/ValidatedEditTextPreference.java

@@ -26,12 +26,12 @@ import android.view.View;
 import android.widget.EditText;
 import android.widget.TextView;
 
-import com.android.settingslib.CustomEditTextPreferenceCompat;
-
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 import androidx.preference.PreferenceViewHolder;
 
+import com.android.settingslib.CustomEditTextPreferenceCompat;
+
 /**
  * {@code EditTextPreference} that supports input validation.
  */