GF-59152: Add flag to control calling preventDefault for a captured event.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #656 from enyojs/GF-59152-aarontam

GF-59152: Add flag to control calling preventDefault for a captured event.

Reviewed-By: Ben Combee (ben.combee@lge.com)