Only show single line title on list preference

Test: Built apk and see the single line title.
Fix: 185324275
Change-Id: I2bc3767fcae6e9efd689c1638e5d105676454a25

src/com/android/settings/CustomListPreference.java

@@ -37,6 +37,7 @@ public class CustomListPreference extends ListPreference {
 
     public CustomListPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
+        setSingleLineTitle(true);
     }
 
     public CustomListPreference(Context context, AttributeSet attrs, int defStyleAttr,