Test VpnManager event for CATEGORY_EVENT_IKE_ERROR

Bug: 191413541
Test: atest FrameworksNetTests:VpnTest
Change-Id: Iebc0ac281eb03fac9626c64e44cdd14be1462d89
(cherry picked from commit 827b44daeaec3298429d4e031839e55b864c4bb3)
Merged-In: Iebc0ac281eb03fac9626c64e44cdd14be1462d89
1 file changed