Native doesn't ever actually care about the attributes of keys, so
move all of it up into the managed layer and move all of the key
names down so they're defined once.
Change-Id: Ic8ded13ce050b2b98744735ff50d11e8d882d7d5
Enhanced the input system to support concurrent dispatch of touch
events on multiple displays which is required for this to work.
Add method to apply offset to PointerCoords.
Change-Id: I55fe4a9a8785ae5a2d3341d214fa3c5107f3963a
