Deactivate data network if TDs are empty am: 719ae601 am: 6bd18433

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2056532



Change-Id: I0f6d881d27b6109ef4847e62e80a88b7da56c165
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>