[DO NOT MERGE] Fix widget tray clipping due to wrong padding

b/27380335
padding was set wrong when the widget view hierarchy was
being refactored in this CL: ag/870011

Change-Id: I003634acded2bbe204098c0e6fefff13d154b5d6
(cherry picked from commit 58e61ac216adbc3e4e211a428692dbeb54e78b45)
1 file changed