Merge "Satellite demo mode : check message handling" into udc-dev am: a70f7264 am: 30c5fcd6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/22503990



Change-Id: I22cfd3e3d5d99fa30456dfe4cc6db2ac42a1ceb5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>