Merge "Add "not supported" string for MMI codes not supported by network."...

Merge "Add "not supported" string for MMI codes not supported by network." into tm-qpr-dev am: 07b3b9a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/20544740



Change-Id: I274dc892510eaee6319ef1906eb01ea8fe5216f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>