Fix for clipboard and selection handler disappear, when tapping selected word or...

Fix for clipboard and selection handler disappear, when tapping selected word or outside, inside the input element.

    [Title]  Fix for clipboard and selection handler disappear, when tapping
             selected word or outside, inside the input element.
    [Issue#] P130830-04620
    [Problem] Selecting clipboard option in context menu, selection handler disappear,
              and tapping selecting word or outside clipboard disappear.
    [Cause] On selecting clipboard option,update selection handler is disable, and deleting
            clipboard window on tapping again on the input element.
    [Solution] After selecting the clipboard option,updating the selection handler and added new
               logic to retain the clipboard window after tapping on input element.

Change-Id: I5e96a6c2d956229cbb52c0aa2439387d7b95f20c