Merge "Touch region fixes for dialogs and overlapping tasks." into nyc-dev
am: 4f40766

* commit '4f40766360fd9f2459e9fc4d30119bec95c2cf48':
  Touch region fixes for dialogs and overlapping tasks.

Change-Id: If7ff395ee0fecd7e5ce8b7d31a9f42bffcd4bad6