Revert "Reset scroll position when account filter is changed"

This CL caused b/29964994.

This reverts commit 074ada153664cccc4b4baca7b43b0d7fa1764e66.

Change-Id: I32b41eb25cc574e3a0e2738936105bf74ba3551c
diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index 31c047a..0ef7427 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -520,9 +520,6 @@
             return;
         }
 
-        // Scroll to top after filter is changed.
-        mAllFragment.getListView().setSelectionAfterHeaderView();
-
         setFilterAndUpdateTitle(mContactListFilterController.getFilter());
         showFabWithAnimation(shouldShowFabForAccount());