BHV-17980: update _marquee_contentChanged() for text align of marquee text
Merge pull request #1785 from enyojs/BHV-17980-SungbaeCho

BHV-17980: update _marquee_contentChanged() for text align of marquee te...

Reviewed-By: Roy Sutton (roy.sutton@lge.com)
Integrated-By: Cole Davis (cole.davis@lge.com)