Merge "Verify VPN underlying network is set as soon as it tries to use it" into main am: 69cd0aa5a0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2720155

Change-Id: I2f75d8b153f3196f34ccd60fad7ef58c475a7040
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>