Update notes for submitted changes

* Clean up protected apps code (1/2)
Update notes for submitted changes

* Settings: Don't match action bar parent for search on tablets.
Update notes for submitted changes

* Settings : Scroll to preference on search and highlight
Update notes for submitted changes

* Highlight search string match.
Update notes for submitted changes

* Improve search performance.
Update notes for submitted changes

* Settings: Disable search item in some fragments.