BHV-11438: modify translateZ value for avoiding overlapping between header's tooptip and subtitle
BHV-11438: Use a value closer to 0 for translateZ.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1474 from enyojs/BHV-11438-SungbaeCho

BHV-11438: modify translateZ value to avoid overlapping between components

Looks good!

Reviewed-by: Aaron Tam (aaron.tam@lge.com)