BHV-9859: Fix reset button.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
BHV-9859: Handle validation in overridden setter instead of change handler.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1349 from enyojs/BHV-9859-aarontam

BHV-9859: Handle value validation in generic setter instead of change handler.