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

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



Change-Id: I38e7cb4bdef19913217cc9a1e03fab48dcc6c38a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>