Merge "Don't send null data call list response" into tm-dev am: 60643f51

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/17982015



Change-Id: Ib5dcbc5da90ab27462fbb2670c35d1647c439c6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>