ipacm:clear event cache if ipacm receives stopOffload

Currently if NAT iface is not added, IPACM cache setupstream
events but default gw index will be set only after adding
NAT iface. If IPACM receives stopOffload in between, then
it is returning input check error to framework. Add check and
clear event cache in case of stopOffload.

Change-Id: I1e49a37bfba64458f8966c9894bf48f749f0bbd7
1 file changed
tree: 48e432d92d1305a6692169c6fb69e8587191d0dd
  1. hal/
  2. ipacm/
  3. ipanat/
  4. configure.ac
  5. Makefile.am