[automerger skipped] Merge "Disable IPv6 stack when IPv6 provisioning is lost...

[automerger skipped] Merge "Disable IPv6 stack when IPv6 provisioning is lost but IPv4 is still alive." into rvc-dev am: 49053ad5 -s ours am: a32f5b27 -s ours am: 2366a7bd -s ours am: b60aff9e -s ours

am skip reason: Change-Id I8f56a05b38c8387c91306c0dc2bdf4430ec3bd00 with SHA-1 bf9fefc6 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/11807300

Change-Id: Ie418abd6ba65bb90aa423e3a81e8ae652a8140b7