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: 62061b5a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20544619



Change-Id: I68adb321043b5b9915983a72cb1d6e022f952098
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>