Hixie 920e411493 Accessibility fixes
- Correctly enable accessibility on startup if it's already enabled.
- Avoid using deprecated APIs.
- Map FORWARD/BACKWARD scrolling actions to up/down even when left/right
  is also possible.
- Clear the accessibility focus when removing a focused semantics node.
- Unregister listeners when view goes away.
- Call setWillNotDraw(false) if accessibility is enabled.
- Clean the handling of hover events.
- Work around an Android bug where the system focus rect isn't drawn
  the first time.
2016-02-08 10:35:40 -08:00
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2016-02-08 10:35:40 -08:00