Update getaddrinfo to RFC6724

Currently, our getaddrinfo implementation does not conform to
any IETF standard. It follows draft-ietf-6man-rfc3484-revise-01,
but that draft has expired. Update the policy table to RFC6724.

(cherry-pick of e919b116d35aa7deb24ddece69c491e24c3b0d6f.)

Bug: 8276725
Change-Id: I2d17122defd966ac6c2c13d04887fb110f2598a0
1 file changed