Updated orderedEncode json polyfill to not include undefined or null
Updated orderedEncode json polyfill to not include undefined or null

@bug W-2543710@
@rev byao@

madmax983/aura,forcedotcom/aura,forcedotcom/aura,SalesforceSFDC/aura,lcnbala/aura,TribeMedia/aura,DebalinaDey/AuraDevelopDeb,badlogicmanpreet/aura,SalesforceSFDC/aura,DebalinaDey/AuraDevelopDeb,badlogicmanpreet/aura,madmax983/aura,TribeMedia/aura,SalesforceSFDC/aura,TribeMedia/aura,navyliu/aura,DebalinaDey/AuraDevelopDeb,navyliu/aura,TribeMedia/aura,madmax983/aura,DebalinaDey/AuraDevelopDeb,navyliu/aura,navyliu/aura,lcnbala/aura,SalesforceSFDC/aura,madmax983/aura,TribeMedia/aura,badlogicmanpreet/aura,SalesforceSFDC/aura,TribeMedia/aura,DebalinaDey/AuraDevelopDeb,forcedotcom/aura,badlogicmanpreet/aura,madmax983/aura,forcedotcom/aura,navyliu/aura,navyliu/aura,lcnbala/aura,SalesforceSFDC/aura,lcnbala/aura,lcnbala/aura,badlogicmanpreet/aura,lcnbala/aura,badlogicmanpreet/aura,forcedotcom/aura,madmax983/aura,DebalinaDey/AuraDevelopDeb