Merge changes from topics "RemoveFindIPv4", "RemoveLegacyVpnRunner" into main am: 8b61783b78

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2797273

Change-Id: Ided0ef2e0d5413bd61fd7674b11c73f9af045fb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>