Merge "Broadcast data call list changed for data stall" into tm-dev am: 2f8e8f2f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/17768216



Change-Id: I34935fa3e9e9f92f857b5d12f05216239c845887
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>