Merge "Satellite demo mode : check message handling" into udc-dev am: a70f7264 am: 3253385a

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



Change-Id: I8200e2d089b766f70733670f696e9f1408e66e9d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>