Merge "Use network list in UNDERLYING_NETWORKS_CHANGED" am: a6f4de3432 am: 04b88cae4f am: c408b6f4b3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1536308

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I28e3fc36dd42316f3cc618c29d610a02ffad8722