Enable IPv6 on x86[_64] device-side python.

Bug: 110557541
Test: kernel_net_test against aosp_x86_64
Change-Id: Id5af5f4e95481adefc79903580e6bc07b5e63410
Merged-In: Id5af5f4e95481adefc79903580e6bc07b5e63410
(cherry picked from commit c11d3ff7a9f11da18fdcea56f4f36098f39ed720)
2 files changed