Consistenly Throw IOExceptions from IpSecManager

Bug: 36073210
Test: api-update
Change-Id: Ia3825e85b09b6330f1326a26cf9e1cadf9dacf71
Merged-In: Ia3825e85b09b6330f1326a26cf9e1cadf9dacf71
(cherry picked from commit c2fd6cfdc9dce33d57a3c2780e0527dd4b1bfeb9)
4 files changed