widget: replace function that use SWT with a new function that not use SWT.

widget: replace function that use SWT with a new function that not use SWT.

- for success to build emulator manager resources without swt library
-- remove Canvas, GC, Color, PaintListener, SelectionListner...
-- replace wrapper class, other function that not use SWT

Change-Id: I9964fdb9dd79e6873429281cbe78973142aa1cc6
Signed-off-by: jihye424.kim <jihye424.kim@samsung.com>