Destroy Closures in ScriptGroup

Bug: 27973681

Implemented correct destruction in ScriptGroup.destroy() and
Clsoure.destroy(), which properly destroys child BaseObj's.

Change-Id: I946f62c2979d6a338b8883514cacad472a213c5c
(cherry picked from commit 44e2f45f0cab4a429e59f07c1e5bf0eef08c7819)
1 file changed