ENYO-49: Fix uncaught TypeError on mobile

Issue
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Uncaught TypeError occurs at touchstart and touchend function on mobile since chagedToches obj is changed type from array to TouchList,

Fix
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Changed function from `enyo.forEach` to `for` loop

Enyo-DCO-1.1-Signed-off-by: Seungho Park <seunghoh.park@lge.com>