This change adds assertions to ensure that the owner UIDs of IKEv2 VPNs are correctly set. Bug: 150135470 Test: This Merged-In: Iabf2859c289aa86ec38aea1edcc1fb248b9d0d26 Change-Id: Iabf2859c289aa86ec38aea1edcc1fb248b9d0d26 (cherry picked from commit 30234827aa24716062a23f28b1effc59e9ef46de)