ipacm: fix the VTS error

On VTS IPACM_HAL unit-test, since wlan
tethering devive won't up, therefore the
addDownsream events are all cached in
IPACM_HAL and keep accumulated until
reaching IPACM's max cached and seeing
test-case starts failing. The fix is
to clean up the cache on Stopoffload.

CRs-fixed:2118600
Bug:65612227
Test: compile

Change-Id: I24f410f5c5ae3a6cad0e14293f266b067f643389
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
Signed-off-by: Niranjan Pendharkar <npendhar@codeaurora.org>
(cherry picked from commit 5cf0a7159b173f627128cf87877a3e559a558f81)
1 file changed
tree: 77fbfacd687f1353ea52b47ac51c59e1d42ade01
  1. msm8998/
  2. Android.mk