Maybe make strings happy?

Bug: 21805255
Change-Id: I2e299a83b449aadc8e9a523fc4bbbf6f843f121d
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 703a086..2908cc5 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -4196,6 +4196,7 @@
 
     <!-- Label describing the number of selected items [CHAR LIMIT=48] -->
     <plurals name="selected_count">
+        <item quantity="one"><xliff:g id="count" example="1">%1$d</xliff:g> selected</item>
         <item quantity="other"><xliff:g id="count" example="3">%1$d</xliff:g> selected</item>
     </plurals>
 </resources>