Save InetAddress originalHostName

Ported from openjdk8u121

changeset:   11192:64ac5b0b4b9e
tag:         jdk8u65-b13
parent:      11189:a3c7f0985a84
user:        coffeys
date:        Tue Sep 01 09:37:34 2015 -0700
summary:     8133196: HTTPS hostname invalid issue with InetAddress

Added code to set originalHostName when creating InetAddress objects in
InetAddress.getByName.

Test: CtsLibcoreTestCases
Bug: 31028374
Change-Id: Ie4f3246369b9dcbd6a0021df54cd4f88f62ad9dc