Theme Property Change Listener is made to process values either of type FontData[] or String for fonts and
either of type RGB or String for colours. So it could process the typed values as well as their String representations.

Change-Id: I4c99f66fded977d3489c16a1164c25673efe3ec2
Signed-off-by: vrubezhny <vrubezhny@exadel.com>