Merge "Allow system components to request underlying network policies." am: ba04ef8481 am: 89a75849c2

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1533097

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iaf50bd8bba996b9bbbb4d77e1bac997fc95fbb10