Merge "Don't send null data call list response" into tm-dev am: 174c5ebb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17803433



Change-Id: I8fb44223f01dbb000783f731590863b454c71ef6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>