Fix typo in preferences

Bug: 62299923
Change-Id: I6e76a46f9e1fa7acf4b746840c33c914de364417
diff --git a/res/xml/launcher_preferences.xml b/res/xml/launcher_preferences.xml
index 8763883..939fece 100644
--- a/res/xml/launcher_preferences.xml
+++ b/res/xml/launcher_preferences.xml
@@ -43,7 +43,7 @@
                 android:name=":settings:fragment_args_key"
                 android:value="notification_badging" />
         </intent>
-    </Preference>/>
+    </Preference>
 
     <SwitchPreference
         android:key="pref_allowRotation"