Merge "Create carrier config to hide 5G slice indicator" into udc-dev am: cb57479a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21985876



Change-Id: I903c2dcd35b03a8dbf1f28e041f4e6f637b909c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>