Remove unnecessary invalidateOptionsMenu() call...

when switching tabs.

Change-Id: Ifa1c70f58cf210621ffb1e0175707e0c6e9f6dfd
diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index 1b7ed31..f25a069 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -581,8 +581,10 @@
         if (!ft.isEmpty()) {
             ft.commit();
             fragmentManager.executePendingTransactions();
+            // When switching tabs, we need to invalidate options menu, but executing a
+            // fragment transaction does it implicitly.  We don't have to call invalidateOptionsMenu
+            // manually.
         }
-        invalidateOptionsMenu();
     }
 
     private class TabPagerListener implements ViewPager.OnPageChangeListener {