Merge "Add carrier config to hide roaming indicator" into udc-qpr-dev am: 4db8abcc7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24811498

Change-Id: I16588c33b7619ce57a91681fc4de795aafbd58b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>