Revert^2 "gn2bp: Remove `soong_namespace`" am: 9c6801f81b am: 45d81bf4dc

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2505960

Change-Id: Ib8722d6a261420455c5ee4c060e6b03724791c42
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>