Remove ICS specific layoutChildren override

This change cleans up ICS specific overrides from
OmniboxSuggestionsList component.

Change-Id: I3a486a002290a84779fc0ef92d3761d899550bf8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154065Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Ender <ender@google.com>
Cr-Commit-Position: refs/heads/master@{#759902}

chrome/android/java/src/org/chromium/chrome/browser/omnibox/suggestions/OmniboxSuggestionsList.java

@@ -237,16 +237,6 @@ public class OmniboxSuggestionsList extends ListView implements OnScrollListener
         return super.onKeyDown(keyCode, event);
     }
 
-    @Override
-    protected void layoutChildren() {
-        super.layoutChildren();
-        // In ICS, the selected view is not marked as selected despite calling setSelection(0),
-        // so we bootstrap this after the children have been laid out.
-        if (!isInTouchMode() && getSelectedView() != null) {
-            getSelectedView().setSelected(true);
-        }
-    }
-
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();