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/FixedLineSummaryPreference.java

@@ -20,11 +20,11 @@ import android.text.TextUtils.TruncateAt;
 import android.util.AttributeSet;
 import android.widget.TextView;
 
-import com.android.settings.R;
-
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
+import com.android.settings.R;
+
 /**
  * A preference whose summary text will only span one single line.
  */