blueprint for 2.4.3 policy-handler

- added try-except for top level Exception into all threads
  of policy-handler to avoid losing the thread and tracking
  the unexpected crashes

Change-Id: I1f244f537de19aa34eeaefac7ada5458720fa523
Signed-off-by: Alex Shatov <alexs@att.com>
Issue-ID: DCAEGEN2-483
2 files changed