commit 75daea17c8da7297257fe31f66fdacabf56166c8
author junyulai <junyulai@google.com> Mon Jan 11 18:09:56 2021 +0800
committer junyulai <junyulai@google.com> Mon Jan 18 16:32:08 2021 +0800
tree c243531f730d21da4682ebb3fb425f6ac7ae43df
parent 7c51b4b46398c926a01d95e3147e7fa55b6105c6

[VCN06] Support request background network

This will be mainly used by VCN management service which will
need to hold the networks but preserve the backgrounded-ness
of the networks.

Test: android.net.ConnectivityManagerTest#testRequestType
Test: android.net.cts.ConnectivityManagerTest#testRequestBackgroundNetwork /
      --rerun-until-failure 100
Test: ConnectivityServiceTest#testBackgroundNetworks
Test: m -j doc-comment-check-docs
Bug: 175662146
Change-Id: If9aaa87b7e71c2b695ac7b08858850e975b28bb6