Fixing bug where search bar is not updated when search package is first installed.

- Fixing issue where we weren't disabling HW layers when you don't finish a swipe-to-dismiss
- Preventing tapping on a task that is currently being dismissed
- Adding a debug trigger for internal testing
- Minor refactoring

Change-Id: Id7dcc8a4b5a080402c2761cd555b8a882498ad29