Revert "[VCN06] Support request background network"

Revert submission 1545847-vcn06

Reason for revert: b/177876289 presubmit failure
Reverted Changes:
I8042ce197:[VCN06.1] Add CTS for request background network
If9aaa87b7:[VCN06] Support request background network

Change-Id: I9270b02a2d6d1ffcdd83b4f41becaf09a2b91e0a
5 files changed