Merge "Stop setting the legacy net.dnsX system properties" am: 61da71aa03

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1229561

Change-Id: Id30674df53eead41a626eef81a0d7e449dfd7c83
tree: efec4be18b1f811e9be968e18c4c8881c2c697b7
  1. core/
  2. services/
  3. tests/