Merge "Update rat_at_end at the end of a voice call." into tm-qpr-dev am: a670e694 am: 24259218

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/19470515



Change-Id: I07514ccf59f287b005b72ebe9b95f9df9032514f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>