Do not shut down IwlanDataServiceHandler in deInitNetworkCallback am: b677bb7184

Original change: https://android-review.googlesource.com/c/platform/packages/services/Iwlan/+/2241060

Change-Id: I14da07ddf1c658e64fed0a5f7f73cb6e228a1cd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>