BHV-4645: Move onSpotlightSelect call from onKeyDown to onKeyUp timing.

- Button, IconButton, PagingControl: Change onSpotlightSelect handler to onSotlightKeyDown with keyCode check.
- ExpandableInput: Change onkeyup handler to onkeydown with keyCode check.
- SimplePicker: Apply repeated key handling
    Set configureHoldPulse on onSpotlightKeyDown handler to set pulse delay
    Cancel holdPulse when index reaches to the boundary.

Fixing: http://jira2.lgsvl.com/browse/BHV-4645

DCO-1.1-Signed-Off-By: Kunmyon Choi kunmyon.choi@lge.com
Merge pull request #1371 from enyojs/BHV-4645-kunmyonchoi

BHV-4645: Move onSpotlightSelect call from onKeyDown to onKeyUp timing.