ENYO-403: Set selection state when setting multi-selection state.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1817 from enyojs/ENYO-403-aarontam

ENYO-403: Set selection state when setting multi-selection state.

Reviewed-By: Art Dahm (art.dahm@lge.com)
Integrated-By: Ryan Duffy (ryan.duffy@lge.com)