$A.util.setClass doesn't work for svg - use getAttribute and setAttribute instead
$A.util.setClass doesn't work for svg
- use getAttribute and setAttribute instead

@bug W-2907802@
@rev kgray@

forcedotcom/aura,badlogicmanpreet/aura,forcedotcom/aura,madmax983/aura,madmax983/aura,badlogicmanpreet/aura,forcedotcom/aura,madmax983/aura,forcedotcom/aura,madmax983/aura,badlogicmanpreet/aura,badlogicmanpreet/aura,madmax983/aura,madmax983/aura,forcedotcom/aura,badlogicmanpreet/aura,badlogicmanpreet/aura