[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 skip reason: Change-Id I8f56a05b38c8387c91306c0dc2bdf4430ec3bd00 with SHA-1 4edc4f60 is in history

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

Change-Id: I51e1e21c3c02e582ca5f4d406e14c37a97cc03c2