Merge "send slicing config change even to correct registrant" am: 2bab1c10 am: c2a8030f

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2059992



Change-Id: I273f4c963c68808311dc592ccb3d2e29783bb1e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>