Matthew Ng 603b3298ff Avoids vibration over deadzone in navigationbar
Removed the deadzone as a view and converted to a class that is attached
to NavigationBarView to determine if the incoming touch events should be
consumed by the deadzone.

Change-Id: I5bf6a9e48ba9fa2305ec98acfc537d14cb8cf725
Fixes: 77235132
Test: tap just above the home button in portrait
2018-04-02 11:48:21 -07:00
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