[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 am: f152f468 am: 25c23226 -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: Id2b31f2164b46f6c3c2367c30c02c3835e81015d