Merge "Remove unused INetworkManagementService object" into main am: 3e7af16cf0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3007142

Change-Id: I898dc76136da7090b5790f143d2117155850e0f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>