Merge "Wireless emergency message has to be run in pin app mode" into tm-dev...

Merge "Wireless emergency message has to be run in pin app mode" into tm-dev am: d353a5c5 am: 15a2346e am: 0311a18f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18330342



Change-Id: I08e5f3c2f6f97ba9f81847653a26f911c944b16d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>