Register network tracing in system_server after boot am: 1b71b7f70b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2381738

Change-Id: Icd3c2c2add0ddc38fdf5f0ffa8bddf556bdf924e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>