[TIDOC-1222] allowsSelection is a ListView property not a ListItem property
timob-10444: throw an error when adding window/tabGroup to another window.
Merge pull request #4547 from bhatfield/tidoc-1222

[TIDOC-1222] allowsSelection is a ListView property not a ListItem property
timob-8714: handle the tab window with url
Merge pull request #4551 from pingwang2011/timob-10444

timob-10444: Android: child TabGroup of Window crashes on open
Merge pull request #4553 from pingwang2011/timob-8714

timob-8714: Android: 'focus' events are not correctly handled for windows in a tabGroup
timob-10136: don't set layout proxy for windows
timob-10136: address comment
Merge pull request #4556 from pingwang2011/timob-10136

timob-10136: Android: Postlayout event should not bubble up to parent