[automerger skipped] update for real location of ip-up-vpn am: 4bb52cbbe2 -s ours

am skip reason: Merged-In If6fd22d1838cfe971be2a87f5ff59a1c6ef65026 with SHA-1 b3507f483d is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/ipsec-tools/+/20814984

Change-Id: I0f47286ca7e7e18dab537cb64fa9cf9a2c08b8e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>