Merge "[VCN06] Support request background network" am: 7e0d8315d1 am: 5fa77ae82c am: 5ad75875bf

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1553866

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I50867bc7cb21eb134f20af9ef55c44c2bd8962e9