Remove unnecessary offset from the app label ICU string

Test: Enable talk back, focus on an app icon that has one notification.
      Talk back announced the number of notification correctly.
Fix: 227131579

Change-Id: I80c21bab27c6cc6813a1ca0e51b702db34d58424
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 267f9c3..f699fca 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -217,7 +217,7 @@
     <string name="disabled_app_label">Disabled <xliff:g id="app_name" example="Messenger">%1$s</xliff:g></string>
     <!-- The format string for when an app has a notification dot (meaning it has associated notifications). [ICU_FORMAT]-->
     <string name="dotted_app_label">
-        {count, plural, offset:1
+        {count, plural,
             =1      {{app_name} has # notification}
             other   {{app_name} has # notifications}
         }