appcelerator/titanium_mobile — pull request #3748 by mstepanov (2013-01-21 18:38:48+00:00)
Title: (3_0_X)[TIMOB-11458] iOS: Accessibility: hide TiUIWindow when another window opens on top; send accessibility notification about screen update

Backport of #3603

[TIMOB-12318](https://jira.appcelerator.org/browse/TIMOB-12318)