ENYO-2789: Add ariaObserver for preventing reading a password type input label
ENYO-2789: Add ariaObserver for preventing reading a password type input label

https://jira2.lgsvl.com/browse/ENYO-2789
Enyo-DCO-1.1-Signed-off-by: Bongsub Kim <bongsub.kim@lgepartner.com>

Change-Id: I8fe1e11ca34f848c6e5fa8fd68159f6f3fa1d518

enyojs/moonstone