ENYO-429: Account for RTL directionality in panel handle.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1748 from enyojs/ENYO-429-aarontam

ENYO-429: Account for RTL directionality in panel handle.

Reviewed-By: Art Dahm (art.dahm@lge.com)
Integrated-By: Cole Davis (cole.davis@lge.com)