Merge "Enforce the event EVENT_DISPLAY_SOS_MESSAGE sent only for emergency...

Merge "Enforce the event EVENT_DISPLAY_SOS_MESSAGE sent only for emergency call" into udc-dev am: d9e1359d am: c4477dcb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/21590931



Change-Id: Ib0da1af49c69444c908a3984e602ba89a6356f34
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>